Herb & supplement monograph

Yohimbe Drug Interactions, Uses, Effectiveness, Safety & More

Medically reviewed by ·Updated July 2026
What is this page for?

First and foremost: how Yohimbe interacts with medications. The heart of this page is the interaction list — every drug Yohimbe is known to interact with, and how serious each one is.

But these pages have grown well beyond that into a full monograph — what Yohimbe is, what people use it for and how strong the evidence is, its safety and side effects, and answers to the questions we’re asked most — written and reviewed by the clinical staff at HelloPharmacist. It’s educational information from our licensed clinical databases, not medical advice, and we don’t sell or endorse products. Our editorial policy

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Interaction report

Drugs that interact with Yohimbe

1126 medications have a known interaction with Yohimbe, graded by severity. Select any drug for the full evidence-based detail.

9 major interactions. These combinations can be clinically significant — best avoided, or used only with close professional supervision. Always check with your pharmacist before combining them with Yohimbe.

2,830 drugs
AmphetamineAdensys XR-ODT, Adzenys ER, Dyanavel XR, Mydayis› IsocarboxazidMarplan› MoclobemideManerix, Moclobemide› Ozanimod HydrochlorideZeposia› Phenelzine SulfateNardil› RasagilineAzilect› Safinamide MesylateXadago› SelegilineCarbex, Eldepryl, Emsam, Zelapar› TranylcypromineParnate› AbametapirXeglyze› Abiraterone› Abiraterone AcetateYonsa, Zytiga› AcebutololRhotral, Sectral› AcepromazineAtravet› Acetaminophen, Aspirin, CaffeineExcedrin, Excedrin Extra Strength, Excedrin Migraine› Acetaminophen, Brompheniramine, PhenylpropanolamineDimetapp Cold and Flu› Acetaminophen, Butalbital, CaffeineEsgic, Esgic Plus, Fiogesic, Fioricet, Repan, Tecnal +1 more› Acetaminophen, Butalbital, Caffeine, CodeineEsgic with Codeine, Fioricet w/ Codeine› Acetaminophen, Butalbital, CodeineBancap w/ Codeine› Acetaminophen, Butalbital, Codeine PhosphatePhrenilin #3› Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, PhenylephrineHycomine Compound› Acetaminophen, Caffeine, CodeineGesic C15, Gesic C30, Gesic C8, Lenoltec 1, Lenoltec 2, Lenoltec 3 +1 more› Acetaminophen, Caffeine, Codeine, SalicylamideCodalan No.1, Codalan No.2, Codalan No.3› Acetaminophen, Caffeine, DihydrocodeineDHC Plus, Panlor DC, Panlor SS› Acetaminophen, Caffeine, IsomethepteneMigralam› Acetaminophen, Caffeine, PyrilamineMidol Max Strength Menstrual› Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HbrVicks Formula 44M Cough, Cold & Flu Relief› Acetaminophen, Chlorpheniramine, Codeine, PhenylephrineColrex› Acetaminophen, Chlorpheniramine, DextromethorphanCoricidin II Extra Strength Cold and Flu› Acetaminophen, Chlorpheniramine, Dextromethorphan HydrobromideCoricidin HBP Maximum Strength Flu›
Read The List Like a Pharmacist

What Severity, Likelihood & Evidence Mean

Severity — How Serious It Can Be

  • Major. Clinically significant; generally best avoided, or used only under direct professional supervision.
  • Moderate. May need monitoring, a dose adjustment, or separating the times you take each one.
  • Minor. Generally not clinically significant, but still worth noting and mentioning to your pharmacist.
  • No known interaction. Checked against our sources with nothing documented — not the same as proven safety.

Likelihood — How Well It’s Documented

  • Likely. Well-controlled human studies have demonstrated the likely existence of this interaction
  • Probable. Interaction has not been documented in well-controlled studies, however, the interaction has been demonstrated in some small human studies or in controlled animal studies in conjunction with multiple case reports.
  • Possible. Interaction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists
  • Unlikely. Interaction has been demonstrated in animal or in lab research but has been shown not to occur in humans.

Where This Data Comes From

  • Interaction records are evidence-graded and sourced from the Natural Medicines database (TRC Healthcare), the same reference used by pharmacists and hospitals.
  • Each drug listed above links to the full report for that exact Yohimbe combination — clinical detail, likelihood, evidence level, and citations.
  • Content is reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.
The big picture

The kinds of drugs Yohimbe affects

Every type of medication (drug category) Yohimbe is known to interact with. Open any category for the detail — or search your exact drug in the checker above.

All 13 drug categories Yohimbe interacts with
Monoamine Oxidase Inhibitors (maois)Antihypertensive DrugsClonidine (catapres)Cytochrome P450 2d6 (cyp2d6) InhibitorsCytochrome P450 2d6 (cyp2d6) SubstratesCytochrome P450 3a4 (cyp3a4) InhibitorsParoxetine (paxil)PhenothiazinesStimulant DrugsTricyclic Antidepressants (tcas)Anticoagulant/antiplatelet DrugsCytochrome P450 1a2 (cyp1a2) SubstratesCytochrome P450 3a4 (cyp3a4) Substrates
Monoamine Oxidase Inhibitors (Maois)

Concomitant use of MAOIs with yohimbe can result in additive effects.
Yohimbine, a constituent of yohimbe, has MAO inhibitory effects. At high doses, yohimbine is a non-selective inhibitor of MAO.

Likelihood Likely Evidence D
Antihypertensive Drugs

Theoretically, yohimbe might reduce the effects of antihypertensive drugs.
Yohimbine, a constituent of yohimbe, is an alpha-2 adrenoceptor antagonist and has been reported to increase blood pressure in clinical research. Theoretically, concomitant use of yohimbe and antihypertensive drugs can interfere with blood pressure control.

Likelihood Probable Evidence D
Clonidine (Catapres)

Theoretically, yohimbe might precipitate clonidine withdrawal.
Chronic clonidine use can downregulate alpha-2 adrenoreceptors. Animal research and one human case report suggest that concomitant administration of yohimbine, an alpha-2 adrenoceptor antagonist, may precipitate clonidine withdrawal and lead to sympathomimetic toxicity, including hypertensive crisis.

Likelihood Possible Evidence D
Cytochrome P450 2D6 (Cyp2D6) Inhibitors

CYP2D6 inhibitors may increase the levels and adverse effects of yohimbine, a constituent of yohimbe.
In vitro and clinical research shows that the yohimbe bark constituent, yohimbine, is metabolized by CYP2D6 isoenzymes. Paroxetine, a cytochrome P450 (CYP) 2D6 inhibitor, increases the maximum serum concentration of yohimbine and reduces the clearance of yohimbine compared to yohimbine alone in patients who are extensive CYP2D6 metabolizers..

Likelihood Probable Evidence B
Cytochrome P450 2D6 (Cyp2D6) Substrates

Theoretically, yohimbe might increase the levels and adverse effects of CYP2D6 substrates.
In vitro research suggests that yohimbine, a constituent of yohimbe bark, inhibits CYP2D6 enzyme activity.

Likelihood Possible Evidence D
Cytochrome P450 3A4 (Cyp3A4) Inhibitors

Theoretically, CYP3A4 inhibitors might increase the levels and adverse effects of yohimbine, a constituent of yohimbe bark.
In vitro and clinical research shows that the yohimbe bark constituent, yohimbine, is metabolized by CYP3A4 enzymes. Theoretically, drugs that inhibit CYP3A4 might increase the levels and adverse effects of yohimbine.

Likelihood Possible Evidence D
Paroxetine (Paxil)

Paroxetine decreases the clearance of yohimbine and may increase its effects.
Paroxetine, a cytochrome P450 (CYP) 2D6 inhibitor, increases the maximum serum concentration of yohimbine by about 350% and reduces the clearance of yohimbine by about 80% compared to yohimbine alone in patients who are extensive CYP2D6 metabolizers. No significant changes in pharmacokinetic parameters of yohimbine were observed with coadministration of paroxetine in patients who are poor CYP2D6 metabolizers.

Likelihood Probable Evidence B
Phenothiazines

Theoretically, using yohimbine with phenothiazines might have additive effects.
Yohimbine, a constituent of yohimbe, has alpha-2 adrenergic antagonist effects. Theoretically, combining it with phenothiazines can cause additive alpha-2 adrenergic antagonism.

Likelihood Possible Evidence D
Stimulant Drugs

Theoretically, taking yohimbe with stimulant drugs can have additive effects.
Yohimbine, a constituent of yohimbe, has sympathomimetic effects and increases blood pressure in a dose-dependent manner. Theoretically, taking yohimbe with stimulant drugs can have additive stimulant and hypertensive effects.

Likelihood Possible Evidence D
Tricyclic Antidepressants (Tcas)

Theoretically, taking yohimbe with TCAs can increase adverse effects.
A small clinical study in patients taking TCAs for at least 4 weeks shows that receiving doses of intravenous yohimbine 2.5-20 mg daily for up to 7 days precipitates severe anxiety, agitation, and tremor. The effects of yohimbe bark itself are unclear; oral yohimbe bark contains 0.6% to 1.38% yohimbine, but it is unclear how much is absorbed.

Likelihood Possible Evidence D
Anticoagulant/Antiplatelet Drugs

Theoretically, combining yohimbe bark with antiplatelet or anticoagulant drugs might have additive effects; however, this has not been reported in clinical research.
Research in healthy adults shows that taking yohimbine, a constituent of yohimbe bark, in doses of 8 mg or more, seems to inhibit platelet aggregation in vitro by binding to the alpha-2 adrenoceptor. The effects of yohimbe bark itself are unclear; yohimbe bark contains 0.6% to 1.38% yohimbine, but it is unclear how much is absorbed.

Likelihood Possible Evidence D
Cytochrome P450 1A2 (Cyp1A2) Substrates

Theoretically, yohimbe might decrease the levels and clinical effects of CYP1A2 substrates.
In vitro research shows that yohimbe extract induces CYP1A2 enzymes.

Likelihood Possible Evidence D
Cytochrome P450 3A4 (Cyp3A4) Substrates

Theoretically, yohimbe might decrease the levels and clinical effects of CYP3A4 substrates.
In vitro research shows that yohimbe extract induces CYP3A4 enzymes.

Likelihood Possible Evidence D
Monograph

Yohimbe: Uses, Safety & Side Effects

Medically reviewed by · Reviewed July 2026 ·
The bottom line

Yohimbe is a West African tree bark that contains yohimbine, a compound mainly promoted for erectile dysfunction and as an aphrodisiac. A prescription form of yohimbine has some evidence for erectile dysfunction, but over-the-counter yohimbe supplements vary widely in content and can cause serious side effects like high blood pressure and fast heart rate. Because of these safety concerns, talk to your pharmacist or doctor before using it.

Yohimbe
Scientific name
Pausinystalia johimbe
Family
Rubiaceae
Part used
Bark
Common forms
Capsules, tablets, extracts, teas
People commonly use it for
  • Erectile dysfunction
  • Low sex drive
  • Sexual performance
  • Weight loss
  • Athletic performance

Popular and traditional uses — not proof it works. See “Uses & effectiveness” below for the evidence.

Safety at a glance
OverallUse caution

Yohimbe can cause serious heart and blood pressure effects and supplement potency is unpredictable.

PregnancyPossibly Unsafe

When used orally. Yohimbe might have uterine relaxant effects and also cause fetal toxicity.

Read the full pregnancy detail
BreastfeedingPossibly Unsafe

When used orally. Yohimbe might have uterine relaxant effects and also cause fetal toxicity.

Read the full breastfeeding detail

Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center). Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Jump to a section

Overview

Yohimbe (Pausinystalia johimbe) is an evergreen tree that grows in the rainforests of western and central Africa. The bark has been used in traditional African medicine for many years, often as an aphrodisiac and to boost sexual performance.

The bark contains a chemical called yohimbine. This compound is also available as a prescription medicine in some countries (yohimbine hydrochloride). Over-the-counter yohimbe supplements are sold widely for sexual health, weight loss, and energy. However, the amount of yohimbine in these products can vary a lot and is often not accurately listed on the label.

How it works

The main active compound in yohimbe is yohimbine. Yohimbine blocks certain receptors in the body called alpha-2 adrenergic receptors. By blocking these receptors, it may increase blood flow and nerve signals to certain tissues, which is the proposed way it could help with erections.

Yohimbine can also raise the release of norepinephrine, a chemical messenger that increases heart rate and blood pressure. This same action is why it is promoted for energy and fat burning, but it is also the reason it can cause unwanted heart and blood pressure effects. Much of the detailed understanding comes from laboratory and animal research.

Effectiveness

Does Yohimbe work?

Here’s what the research actually shows for each use — graded by Natural Medicines and reviewed by .

Evidence overview · 9 uses evaluated
9 Insufficient evidence
How to read these evidence grades

Natural Medicines’ 7-point scale. We show each rating’s label word-for-word.

1EffectiveStrong, consistent evidence it works.
2Likely EffectiveGood evidence, though not yet conclusive.
3Possibly EffectiveSome evidence suggests a benefit.
4Possibly IneffectiveSome evidence it may not help.
5Likely IneffectiveFairly strong evidence it doesn’t help.
6IneffectiveStrong evidence it doesn’t work.
7Insufficient Reliable Evidence to RateToo little research to say either way.

For Yohimbe, current evidence isn’t strong enough to rate any specific use. The conditions it has been studied for are listed below.

Also studied for 9 conditions — evidence insufficient to rate
Insufficient Reliable Evidence To Rate Antidepressant-induced sexual dysfunction
Rating & evidence shown verbatim from Natural Medicines

It is unclear if oral yohimbine, a constituent of yohimbe, is beneficial for patients with antidepressant-induced sexual dysfunction.

Insufficient Reliable Evidence To Rate Anxiety
Rating & evidence shown verbatim from Natural Medicines

There is limited evidence on the oral use of yohimbine, a constituent of yohimbe, for the management of various phobias.

Insufficient Reliable Evidence To Rate Athletic performance
Rating & evidence shown verbatim from Natural Medicines

It is unclear if oral yohimbine, a constituent of yohimbe, is beneficial for athletic performance.

Insufficient Reliable Evidence To Rate Depression
Rating & evidence shown verbatim from Natural Medicines

It is unclear if oral yohimbine, a constituent of yohimbe, is beneficial in patients with depression.

Insufficient Reliable Evidence To Rate Dry mouth
Rating & evidence shown verbatim from Natural Medicines

It is unclear if oral yohimbine, a constituent of yohimbe, is beneficial for dry mouth.

Insufficient Reliable Evidence To Rate Erectile dysfunction (ED)
Rating & evidence shown verbatim from Natural Medicines

It is unclear if oral yohimbine, a constituent of yohimbe, is beneficial for ED.

Insufficient Reliable Evidence To Rate Fatigue
Rating & evidence shown verbatim from Natural Medicines

Although there is interest in using oral yohimbe for fatigue, there is insufficient reliable information about the clinical effects of yohimbe for this purpose.

Insufficient Reliable Evidence To Rate Obesity
Rating & evidence shown verbatim from Natural Medicines

Although there is interest in using oral yohimbe for obesity, there is insufficient reliable information about the clinical effects of yohimbe for this condition.

Insufficient Reliable Evidence To Rate Orthostatic hypotension
Rating & evidence shown verbatim from Natural Medicines

It is unclear if oral yohimbine, a constituent of yohimbe, is beneficial in patients with orthostatic hypotension.

Source & disclaimer. Effectiveness ratings and evidence summaries are provided by Natural Medicines (Therapeutic Research Center) and shown as licensed. Where Natural Medicines hasn’t rated a use, HelloPharmacist’s pharmacists may add their own reviewed rating and evidence (each such entry is labeled). This is educational information, not medical advice — talk with your pharmacist or doctor before starting, stopping, or changing a supplement.

Safety & precautions

Yohimbe should be used with caution. It can raise blood pressure and heart rate and has been linked to serious reactions, especially at higher doses. A major concern is that supplement labels often do not reflect the true amount of yohimbine inside, so it is hard to know how much you are actually taking.

People with heart disease, high blood pressure, kidney disease, anxiety or other mental health conditions, or a history of seizures should avoid yohimbe unless a doctor advises otherwise. Older adults may be more sensitive to its effects.

Yohimbe should be avoided during pregnancy because it may affect the uterus and is considered unsafe. It should also be avoided while breastfeeding, since there is not enough information to know it is safe. Always check with a pharmacist or doctor before starting it.

Side effects

Common side effects can include dizziness, headache, nausea, anxiety, irritability, sweating, fast or pounding heartbeat, and increased blood pressure.

Rare but serious effects have been reported, especially with high doses, including very high blood pressure, severe heart rhythm problems, heart attack, seizures, and in extreme cases life-threatening reactions. Stop using yohimbe and seek medical care if you have chest pain, a very fast or irregular heartbeat, trouble breathing, severe anxiety, or fainting.

Yohimbe: Reported Adverse Effects

Documented safety reports on Yohimbe from the evidence-graded Natural Medicines (TRC Healthcare) database, shown word-for-word from the licensed record.

Orally, there is limited information available about the adverse effects of yohimbe. Yohimbine, a constituent of yohimbe, might be unsafe; most reported adverse effects are dose-related.

Most Common Adverse Effects:

Orally: Yohimbine, a constituent of yohimbe, has been associated with anxiety, agitation, diaphoresis, diarrhea, flushing, headache, hypertension, increased urination, nausea, tachycardia, tremors, vertigo, and vomiting.

Serious Adverse Effects (Rare):

Orally: Yohimbine, a constituent of yohimbe, has been associated with atrial fibrillation, hypertensive crisis, myocardial infarction, and QT interval prolongation.

Reports by condition
Anxiety Psychiatric

Orally, yohimbine, a constituent of yohimbe, may increase malaise, fatigue, insomnia, restlessness, agitation, and anxiety. In a clinical study of healthy subjects, administration of yohimbine increased impulsivity, with larger doses increasing impulsivity more than 50%.

  1. Teloken C, Rhoden EL, Sogari P, et al. Therapeutic effects of high dose yohimbine hydrochloride on organic erectile dysfunction. J Urol 1998;159:122-4.
  2. Jacobsen FM. Fluoxetine-induced sexual dysfunction and an open trial of yohimbine. J Clin Psychiatry 1992;53:119-22.
  3. Hollander E, McCarley A. Yohimbine treatment of sexual side effects induced by serotonin reuptake blockers. J Clin Psychiatry 1992;53:207-9.
  4. Kearney T, Tu N, Haller C. Adverse drug events associated with yohimbine-containing products: a retrospective review of the California Poison Control System reported cases. Ann Pharmacother 2010;44:1022-9.
  5. Adeniyi, A. A., Brindley, G. S., Pryor, J. P., and Ralph, D. J. Yohimbine in the treatment of orgasmic dysfunction. Asian J Androl 2007;9(3):403-407.
  6. Giampreti, A., Lonati, D., Locatelli, C., Rocchi, L., and Campailla, M. T. Acute neurotoxicity after yohimbine ingestion by a body builder. Clin Toxicol.(Phila) 2009;47(8):827-829.
  7. Myers, A. and Barrueto, F., Jr. Refractory priapism associated with ingestion of yohimbe extract. J Med Toxicol. 2009;5(4):223-225.
  8. Cimolai, N. and Cimolai, T. Yohimbine use for physical enhancement and its potential toxicity. J Diet.Suppl 2011;8(4):346-354.
  9. Susset, J. G., Tessier, C. D., Wincze, J., Bansal, S., Malhotra, C., and Schwacha, M. G. Effect of yohimbine hydrochloride on erectile impotence: a double-blind study. J Urol. 1989;141(6):1360-1363.
  10. Charney, D. S., Price, L. H., and Heninger, G. R. Desipramine-yohimbine combination treatment of refractory depression. Implications for the beta-adrenergic receptor hypothesis of antidepressant action. Arch.Gen.Psychiatry 1986;43(12):1155-1161.
  11. Morgan, C. A., III, Southwick, S. M., Grillon, C., Davis, M., Krystal, J. H., and Charney, D. S. Yohimbine-facilitated acoustic startle reflex in humans. Psychopharmacology (Berl) 1993;110(3):342-346.
  12. Mann, K., Klingler, T., Noe, S., Roschke, J., Muller, S., and Benkert, O. Effects of yohimbine on sexual experiences and nocturnal penile tumescence and rigidity in erectile dysfunction. Arch.Sex Behav. 1996;25(1):1-16.
  13. Rowland, D. L., Kallan, K., and Slob, A. K. Yohimbine, erectile capacity, and sexual response in men. Arch Sex Behav 1997;26(1):49-62.
  14. Riley AJ, Goodman R, Kellett JM, and et al. Double blind trial of yohimbine hydrochloride in the treatment of erection inadequacy. Sexual Marital Ther 1989;4(1):17-26.
  15. Swann, A. C., Birnbaum, D., Jagar, A. A., Dougherty, D. M., and Moeller, F. G. Acute yohimbine increases laboratory-measured impulsivity in normal subjects. Biol.Psychiatry 5-15-2005;57(10):1209-1211.
  16. Swann, A. C. Mechanisms of impulsivity in bipolar disorder and related illness. Epidemiol.Psichiatr.Soc. 2010;19(2):120-130.
Atrial fibrillation Cardiovascular

Orally, yohimbine, a constituent of yohimbe, has been associated with hypertension, especially at higher doses. A case of hypertensive crisis was reported in a 63-year-old male taking a yohimbine-containing herbal product once daily for one month. The patient was successfully managed with intravenous nitroprusside followed by clonidine. Tachycardia, fluid retention, palpitations, and chest discomfort have also been reported. Conduction abnormalities have also been reported. There have been some reports of myocardial infarction, atrial fibrillation, and QT interval prolongation. In theory, these effects may also occur with the use of yohimbe bark extract.

  1. Teloken C, Rhoden EL, Sogari P, et al. Therapeutic effects of high dose yohimbine hydrochloride on organic erectile dysfunction. J Urol 1998;159:122-4.
  2. Kearney T, Tu N, Haller C. Adverse drug events associated with yohimbine-containing products: a retrospective review of the California Poison Control System reported cases. Ann Pharmacother 2010;44:1022-9.
  3. Giampreti, A., Lonati, D., Locatelli, C., Rocchi, L., and Campailla, M. T. Acute neurotoxicity after yohimbine ingestion by a body builder. Clin Toxicol.(Phila) 2009;47(8):827-829.
  4. Bloomer, R. J., Canale, R. E., Blankenship, M. M., Hammond, K. G., Fisher-Wellman, K. H., and Schilling, B. K. Effect of the dietary supplement Meltdown on catecholamine secretion, markers of lipolysis, and metabolic rate in men and women: a randomized,
  5. Myers, A. and Barrueto, F., Jr. Refractory priapism associated with ingestion of yohimbe extract. J Med Toxicol. 2009;5(4):223-225.
  6. Shibao, C., Okamoto, L. E., Gamboa, A., Yu, C., Diedrich, A., Raj, S. R., Robertson, D., and Biaggioni, I. Comparative efficacy of yohimbine against pyridostigmine for the treatment of orthostatic hypotension in autonomic failure. Hypertension 2010;56(5)
  7. Soeter, M. and Kindt, M. Stimulation of the noradrenergic system during memory formation impairs extinction learning but not the disruption of reconsolidation. Neuropsychopharmacology 2012;37(5):1204-1215.
  8. Cimolai, N. and Cimolai, T. Yohimbine use for physical enhancement and its potential toxicity. J Diet.Suppl 2011;8(4):346-354.
  9. Charney, D. S., Price, L. H., and Heninger, G. R. Desipramine-yohimbine combination treatment of refractory depression. Implications for the beta-adrenergic receptor hypothesis of antidepressant action. Arch.Gen.Psychiatry 1986;43(12):1155-1161.
  10. Brodde, O. E., Anlauf, M., Arroyo, J., Wagner, R., Weber, F., and Buck, K. D. Hypersensitivity of adrenergic receptors and blood-pressure response to oral yohimbine in orthostatic hypotension. N.Engl.J Med 4-28-1983;308(17):1033-1034.
  11. Adeniyi, A. A., Brindley, G. S., Pryor, J. P., and Ralph, D. J. Yohimbine in the treatment of orgasmic dysfunction. Asian J Androl 2007;9(3):403-407.
  12. Riley AJ, Goodman R, Kellett JM, and et al. Double blind trial of yohimbine hydrochloride in the treatment of erection inadequacy. Sexual Marital Ther 1989;4(1):17-26.
  13. Ruck B, Shih RD, Marcus SM. Hypertensive crisis from herbal treatment of impotence. Am J Emerg Med. 1999;17:317-318.
  14. Murburg, M. M., Villacres, E. C., Ko, G. N., and Veith, R. C. Effects of yohimbine on human sympathetic nervous system function. J Clin Endocrinol.Metab 1991;73(4):861-865.
  15. Bolme, P., Corrodi, H., Fuxe, K., Hokfelt, T., Lidbrink, P., and Goldstein, M. Possible involvement of central adrenaline neurons in vasomotor and respiratory control. Studies with clonidine and its interactions with piperoxane and yohimbine. Eur J Pharm
  16. Andrejak, M., Ward, M., and Schmitt, H. Cardiovascular effects of yohimbine in anaesthetized dogs. Eur.J Pharmacol 10-28-1983;94(3-4):219-228.
  17. Kennedy, S. H., Gnam, W., Ralevski, E., and Brown, G. M. Melatonin responses to clonidine and yohimbine challenges. J Psychiatry Neurosci. 1995;20(4):297-304.
  18. Musso, N. R., Vergassola, C., Pende, A., and Lotti, G. Yohimbine effects on blood pressure and plasma catecholamines in human hypertension. Am J Hypertens. 1995;8(6):565-571.
  19. Adler, L. E., Hoffer, L., Nagamoto, H. T., Waldo, M. C., Kisley, M. A., and Giffith, J. M. Yohimbine impairs P50 auditory sensory gating in normal subjects. Neuropsychopharmacology 1994;10(4):249-257.
  20. Kenney, W. L., Zappe, D. H., Tankersley, C. G., and Derr, J. A. Effect of systemic yohimbine on the control of skin blood flow during local heating and dynamic exercise. Am J Physiol 1994;266(2 Pt 2):H371-H376.
  21. Friesen, K., Palatnick, W., and Tenenbein, M. Benign course after massive ingestion of yohimbine. J Emerg.Med 1993;11(3):287-288.
  22. Bierer, L. M., Aisen, P. S., Davidson, M., Ryan, T. M., Stern, R. G., Schmeidler, J., and Davis, K. L. A pilot study of oral physostigmine plus yohimbine in patients with Alzheimer disease. Alzheimer Dis.Assoc.Disord. 1993;7(2):98-104.
Cluster headache Neurologic/CNS

Orally, yohimbine, a constituent of yohimbe, has been associated with reports of general central nervous system (CNS) and autonomic excitation, tremulousness, head twitching, seizure threshold changes, enhanced brain norepinephrine release, decreased energy, dizziness, vertigo, and headache. Cold feet and chills have also been reported with yohimbine. Other adverse reactions include flushing and diaphoresis. Excessive doses of yohimbine can also cause paralysis. A case of acute neurotoxicity characterized by malaise, vomiting, loss of consciousness, and seizures has been reported for a 37-year-old bodybuilder who ingested a single dose of yohimbine 5 grams. Improvement was seen within 12 hours following treatment with furosemide, labetalol, clonidine, urapidil, and gastrointestinal decontamination.

  1. Teloken C, Rhoden EL, Sogari P, et al. Therapeutic effects of high dose yohimbine hydrochloride on organic erectile dysfunction. J Urol 1998;159:122-4.
  2. Hollander E, McCarley A. Yohimbine treatment of sexual side effects induced by serotonin reuptake blockers. J Clin Psychiatry 1992;53:207-9.
  3. Cameron, O. G., Zubieta, J. K., Grunhaus, L., and Minoshima, S. Effects of yohimbine on cerebral blood flow, symptoms, and physiological functions in humans. Psychosom.Med 2000;62(4):549-559.
  4. Bowes, M. P., Peters, R. H., Kernan, W. J., Jr., and Hopper, D. L. Effects of yohimbine and idazoxan on motor behaviors in male rats. Pharmacol.Biochem.Behav. 1992;41(4):707-713.
  5. Adeniyi, A. A., Brindley, G. S., Pryor, J. P., and Ralph, D. J. Yohimbine in the treatment of orgasmic dysfunction. Asian J Androl 2007;9(3):403-407.
  6. Myers, A. and Barrueto, F., Jr. Refractory priapism associated with ingestion of yohimbe extract. J Med Toxicol. 2009;5(4):223-225.
  7. Susset, J. G., Tessier, C. D., Wincze, J., Bansal, S., Malhotra, C., and Schwacha, M. G. Effect of yohimbine hydrochloride on erectile impotence: a double-blind study. J Urol. 1989;141(6):1360-1363.
  8. Charney, D. S., Heninger, G. R., and Redmond, D. E., Jr. Yohimbine induced anxiety and increased noradrenergic function in humans: effects of diazepam and clonidine. Life Sci. 7-4-1983;33(1):19-29.
  9. Biaggioni, I., Robertson, R. M., and Robertson, D. Manipulation of norepinephrine metabolism with yohimbine in the treatment of autonomic failure. J Clin Pharmacol. 1994;34(5):418-423.
  10. Rowland, D. L., Kallan, K., and Slob, A. K. Yohimbine, erectile capacity, and sexual response in men. Arch Sex Behav 1997;26(1):49-62.
  11. Bremner, J. D., Innis, R. B., Ng, C. K., Staib, L. H., Salomon, R. M., Bronen, R. A., Duncan, J., Southwick, S. M., Krystal, J. H., Rich, D., Zubal, G., Dey, H., Soufer, R., and Charney, D. S. Positron emission tomography measurement of cerebral metaboli
  12. Riley AJ, Goodman R, Kellett JM, and et al. Double blind trial of yohimbine hydrochloride in the treatment of erection inadequacy. Sexual Marital Ther 1989;4(1):17-26.
  13. Kearney T, Tu N, Haller C. Adverse drug events associated with yohimbine-containing products: a retrospective review of the California Poison Control System reported cases. Ann Pharmacother 2010;44:1022-9.
  14. Leung AY, Foster S. Encyclopedia of Common Natural Ingredients Used in Food, Drugs and Cosmetics. 2nd ed. New York, NY: John Wiley & Sons, 1996.
  15. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.
  16. Giampreti, A., Lonati, D., Locatelli, C., Rocchi, L., and Campailla, M. T. Acute neurotoxicity after yohimbine ingestion by a body builder. Clin Toxicol.(Phila) 2009;47(8):827-829.
Cough Pulmonary/Respiratory

Orally, yohimbine, a constituent of yohimbe, may cause bronchospasm, tachypnea, cough, and rhinorrhea. A case of sinusitis characterized by pain and discomfort above both eyes has been reported for a 59-year-old male taking yohimbine 5.4 mg three times daily to treat erectile dysfunction. Symptoms resolved within 24 hours of discontinuing yohimbine. The effect was attributed to the alpha-2 adrenergic antagonist effects of yohimbine. Excessive doses of yohimbine can cause respiratory depression.

  1. Kearney T, Tu N, Haller C. Adverse drug events associated with yohimbine-containing products: a retrospective review of the California Poison Control System reported cases. Ann Pharmacother 2010;44:1022-9.
  2. Landis, E. and Shore, E. Yohimbine-induced bronchospasm. Chest 1989;96(6):1424.
  3. Charney, D. S., Heninger, G. R., and Sternberg, D. E. Assessment of alpha 2 adrenergic autoreceptor function in humans: effects of oral yohimbine. Life Sci 6-7-1982;30(23):2033-2041.
  4. Wylie KR. Yohimbine and sinusitis. Br J Psychiatry. 1996;169(3):384-5.
  5. Milman N, Scheibel J, Jessen O. Lysine prophylaxis in recurrent herpes simplex labialis: a double-blind, controlled crossover study. Acta Derm Venereol 1980;60:85-7.
Diarrhea Gastrointestinal

Orally, yohimbine, a constituent of yohimbe, may cause nausea, vomiting, increased salivation, diarrhea, and gastrointestinal distress.

  1. Jacobsen FM. Fluoxetine-induced sexual dysfunction and an open trial of yohimbine. J Clin Psychiatry 1992;53:119-22.
  2. Kearney T, Tu N, Haller C. Adverse drug events associated with yohimbine-containing products: a retrospective review of the California Poison Control System reported cases. Ann Pharmacother 2010;44:1022-9.
  3. Abebe, W. An overview of herbal supplement utilization with particular emphasis on possible interactions with dental drugs and oral manifestations. J Dent.Hyg. 2003;77(1):37-46.
  4. Bagheri, H., Schmitt, L., Berlan, M., and Montastruc, J. L. Effect of 3 weeks treatment with yohimbine on salivary secretion in healthy volunteers and in depressed patients treated with tricyclic antidepressants. Br J Clin Pharmacol 1992;34(6):555-558.
  5. Bagheri, H., Bompart, G., Girolami, J. P., Montastruc, J. L., and Montastruc, P. Is yohimbine-induced increase in salivary secretion a kinin-dependent mechanism? Fundam.Clin Pharmacol 1992;6(1):17-20.
  6. Adeniyi, A. A., Brindley, G. S., Pryor, J. P., and Ralph, D. J. Yohimbine in the treatment of orgasmic dysfunction. Asian J Androl 2007;9(3):403-407.
  7. Giampreti, A., Lonati, D., Locatelli, C., Rocchi, L., and Campailla, M. T. Acute neurotoxicity after yohimbine ingestion by a body builder. Clin Toxicol.(Phila) 2009;47(8):827-829.
  8. Myers, A. and Barrueto, F., Jr. Refractory priapism associated with ingestion of yohimbe extract. J Med Toxicol. 2009;5(4):223-225.
  9. Bagheri, H., Berlan, M., Montastruc, J. L., and Montastruc, P. Yohimbine and lacrimal secretion. Br J Clin Pharmacol. 1990;30(1):151-152.
  10. Susset, J. G., Tessier, C. D., Wincze, J., Bansal, S., Malhotra, C., and Schwacha, M. G. Effect of yohimbine hydrochloride on erectile impotence: a double-blind study. J Urol. 1989;141(6):1360-1363.
  11. Chatelut, E., Rispail, Y., Berlan, M., and Montastruc, J. L. Yohimbine increases human salivary secretion. Br.J Clin Pharmacol. 1989;28(3):366-368.
  12. Montastruc, P., Berlan, M., and Montastruc, J. L. Effects of yohimbine on submaxillary salivation in dogs. Br J Pharmacol 1989;98(1):101-104.
  13. Bagheri, H., Chale, J. J., Guyen, L. N., Tran, M. A., Berlan, M., and Montastruc, J. L. Evidence for activation of both adrenergic and cholinergic nervous pathways by yohimbine, an alpha 2-adrenoceptor antagonist. Fundam.Clin Pharmacol 1995;9(3):248-254.
  14. Mann, K., Klingler, T., Noe, S., Roschke, J., Muller, S., and Benkert, O. Effects of yohimbine on sexual experiences and nocturnal penile tumescence and rigidity in erectile dysfunction. Arch.Sex Behav. 1996;25(1):1-16.
  15. Rowland, D. L., Kallan, K., and Slob, A. K. Yohimbine, erectile capacity, and sexual response in men. Arch Sex Behav 1997;26(1):49-62.
  16. Riley AJ, Goodman R, Kellett JM, and et al. Double blind trial of yohimbine hydrochloride in the treatment of erection inadequacy. Sexual Marital Ther 1989;4(1):17-26.
Kidney failure Immunologic

There is one report of a hypersensitivity reaction including fever; chills; malaise; itchy, scaly skin; progressive renal failure; and lupus-like syndrome associated with ingestion of a one-day dose of yohimbine, a constituent of yohimbe.

  1. Sandler B, Aronson P. Yohimbine-induced cutaneous drug eruption, progressive renal failure, and lupus-like syndrome. Urol 1993;41:343-5.
Kidney failure Renal

Orally, yohimbine, a constituent of yohimbe, may increase urinary frequency. A case of acute renal failure has been reported for a 42-year-old male taking yohimbine. Normalization of renal function was achieved following 2 weeks of treatment with corticosteroids. The renal dysfunction was attributed to yohimbine-induced systemic lupus erythematosus.

  1. Teloken C, Rhoden EL, Sogari P, et al. Therapeutic effects of high dose yohimbine hydrochloride on organic erectile dysfunction. J Urol 1998;159:122-4.
  2. Jacobsen FM. Fluoxetine-induced sexual dysfunction and an open trial of yohimbine. J Clin Psychiatry 1992;53:119-22.
  3. Hollander E, McCarley A. Yohimbine treatment of sexual side effects induced by serotonin reuptake blockers. J Clin Psychiatry 1992;53:207-9.
  4. Kearney T, Tu N, Haller C. Adverse drug events associated with yohimbine-containing products: a retrospective review of the California Poison Control System reported cases. Ann Pharmacother 2010;44:1022-9.
  5. Myers, A. and Barrueto, F., Jr. Refractory priapism associated with ingestion of yohimbe extract. J Med Toxicol. 2009;5(4):223-225.
  6. Susset, J. G., Tessier, C. D., Wincze, J., Bansal, S., Malhotra, C., and Schwacha, M. G. Effect of yohimbine hydrochloride on erectile impotence: a double-blind study. J Urol. 1989;141(6):1360-1363.
  7. Charney, D. S., Heninger, G. R., and Sternberg, D. E. Assessment of alpha 2 adrenergic autoreceptor function in humans: effects of oral yohimbine. Life Sci 6-7-1982;30(23):2033-2041.
  8. Knoll, L. D., Benson, R. C., Jr., Bilhartz, D. L., Minich, P. J., and Furlow, W. L. A randomized crossover study using yohimbine and isoxsuprine versus pentoxifylline in the management of vasculogenic impotence. J Urol. 1996;155(1):144-146.
  9. Rowland, D. L., Kallan, K., and Slob, A. K. Yohimbine, erectile capacity, and sexual response in men. Arch Sex Behav 1997;26(1):49-62.
  10. Sandler B, Aronson P. Yohimbine-induced cutaneous drug eruption, progressive renal failure, and lupus-like syndrome. Urol 1993;41:343-5.
DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.

Adverse-effects data: Natural Medicines, Therapeutic Research Center

Dosing

There is no well-established safe and standardized dose for yohimbe bark supplements. Because the yohimbine content varies so much between products, the same labeled dose can produce very different effects.

If you choose to use a product, follow the directions on the label and do not exceed them. It is best to talk with a pharmacist or doctor first, who can help you weigh the risks and decide whether a product is appropriate for you. Prescription yohimbine is a separate, dose-controlled medicine and should only be used as directed by a healthcare provider.

Pregnancy & Breastfeeding

Yohimbe & Pregnancy

Possibly Unsafe

When used orally. Yohimbe might have uterine relaxant effects and also cause fetal toxicity.

  1. Brinker F. Herb Contraindications and Drug Interactions. 2nd ed. Sandy, OR: Eclectic Medical Publications, 1998.

Yohimbe & Breastfeeding

Possibly Unsafe

When used orally. Yohimbe might have uterine relaxant effects and also cause fetal toxicity.

  1. Brinker F. Herb Contraindications and Drug Interactions. 2nd ed. Sandy, OR: Eclectic Medical Publications, 1998.
DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.

© 2026 Therapeutic Research Center

Pregnancy & lactation ratings: Natural Medicines, Therapeutic Research Center

References & further reading

The 66 references that drive our Yohimbe monograph and interaction data, from the evidence-graded Natural Medicines (TRC Healthcare) database. Citations with a link open the study on PubMed or the publisher’s site.

  1. Leung AY, Foster S. Encyclopedia of Common Natural Ingredients Used in Food, Drugs and Cosmetics. 2nd ed. New York, NY: John Wiley & Sons, 1996.
  2. McGuffin M, Hobbs C, Upton R, Goldberg A, eds. American Herbal Products Association's Botanical Safety Handbook. Boca Raton, FL: CRC Press, LLC 1997.
  3. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.
  4. Brinker F. Herb Contraindications and Drug Interactions. 2nd ed. Sandy, OR: Eclectic Medical Publications, 1998.
  5. Milman N, Scheibel J, Jessen O. Lysine prophylaxis in recurrent herpes simplex labialis: a double-blind, controlled crossover study. Acta Derm Venereol 1980;60:85-7.
  6. Teloken C, Rhoden EL, Sogari P, et al. Therapeutic effects of high dose yohimbine hydrochloride on organic erectile dysfunction. J Urol 1998;159:122-4. PubMed
  7. Jacobsen FM. Fluoxetine-induced sexual dysfunction and an open trial of yohimbine. J Clin Psychiatry 1992;53:119-22.
  8. Hollander E, McCarley A. Yohimbine treatment of sexual side effects induced by serotonin reuptake blockers. J Clin Psychiatry 1992;53:207-9.
  9. Sandler B, Aronson P. Yohimbine-induced cutaneous drug eruption, progressive renal failure, and lupus-like syndrome. Urol 1993;41:343-5. PubMed
  10. Kearney T, Tu N, Haller C. Adverse drug events associated with yohimbine-containing products: a retrospective review of the California Poison Control System reported cases. Ann Pharmacother 2010;44:1022-9. PubMed
  11. VandenBrink, B. M., Foti, R. S., Rock, D. A., Wienkers, L. C., and Wahlstrom, J. L. Prediction of CYP2D6 drug interactions from in vitro data: evidence for substrate-dependent inhibition. Drug Metab Dispos. 2012;40(1):47-53. PubMed
  12. Abebe, W. An overview of herbal supplement utilization with particular emphasis on possible interactions with dental drugs and oral manifestations. J Dent.Hyg. 2003;77(1):37-46.
  13. Mustonen, P., Savola, J., and Lassila, R. Atipamezole, an imidazoline-type alpha(2)-adrenoceptor inhibitor, binds to human platelets and inhibits their adrenaline-induced aggregation more effectively than yohimbine. Thromb.Res 8-1-2000;99(3):231-237.
  14. Cameron, O. G., Zubieta, J. K., Grunhaus, L., and Minoshima, S. Effects of yohimbine on cerebral blood flow, symptoms, and physiological functions in humans. Psychosom.Med 2000;62(4):549-559. PubMed
  15. Bowes, M. P., Peters, R. H., Kernan, W. J., Jr., and Hopper, D. L. Effects of yohimbine and idazoxan on motor behaviors in male rats. Pharmacol.Biochem.Behav. 1992;41(4):707-713.
Keep reading

This information is for education only and is not a substitute for professional medical advice. Always check with your pharmacist or doctor before starting, stopping, or combining supplements and medications.

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

Brand directory

Brands that make products with Yohimbe

270 brands in our database make a supplement containing Yohimbe.

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1,054 products in our database contain Yohimbe. Open any to see its full ingredient list and every drug interaction we check.

#Shatter SX-7 Black Onyx Fruit Punch Explosion by MuscleTech Powder 12.15 Oz(s) · 345 Gram(s) View ingredients & interactions #Shatter SX-7 Black Onyx Icy Rocket Freeze by MuscleTech Powder 12.2 oz. · 346 Gram(s) View ingredients & interactions 1,3D Nox Icy Cherry by Total Body Nutrition Powder 225 Gram(s) View ingredients & interactions 1.M.R Apple Pear by BPI Sports Powder 8.5 Oz(s) · 240 Gram(s) View ingredients & interactions 1.M.R Blueberry Lemonade by BPI Sports Powder 8.5 Oz(s) · 240 Gram(s) View ingredients & interactions 1.M.R Fruit Punch by BPI Sports Powder 8.5 Oz(s) · 240 Gram(s) View ingredients & interactions 1.M.R Peach Cobbler by BPI Sports Powder 8.5 Oz(s) · 240 Gram(s) View ingredients & interactions 1.M.R Rainbow Ice by BPI Sports Powder 8.5 Oz(s) · 240 Gram(s) View ingredients & interactions 1.M.R Vortex Blue Raz by BPI Sports Powder 5.3 oz. · 150 Gram(s) View ingredients & interactions 1.M.R Vortex Blueberry Lemon Ice by BPI Sports Powder 5.3 oz. · 150 Gram(s) View ingredients & interactions 1.M.R Vortex Cherry Lime by BPI Sports Powder 5.3 oz. · 150 Gram(s) View ingredients & interactions 1.M.R Vortex Fruit Punch by BPI Sports Powder 5.3 oz. · 150 Gram(s) View ingredients & interactions 1.M.R Vortex Snow Cone by BPI Sports Powder 5.3 Oz(s) · 150 Gram(s) View ingredients & interactions 1.M.R Vortex Sour Watermelon by BPI Sports Powder 5.3 oz. · 150 Gram(s) View ingredients & interactions 1Fire by 1Mission Capsule 60 Capsule(s) View ingredients & interactions 213 for Her by Carbon Fire Capsule 80 Capsule(s) View ingredients & interactions 360 Extreme Energy Memory & Focus 18 in 1 Advanced Complex by KAPPA NUTRITION Capsule 4 Capsule(s) View ingredients & interactions 4D Pump Artic Ice by Image Sports Powder 11.64 oz. · 330 Gram(s) View ingredients & interactions 4D Pump Red Lemonade by Image Sports Powder 11.64 oz. · 330 Gram(s) View ingredients & interactions ACG3 Supercharged+ Flex On The Beach by PMD Powder 13.2 Ounce(s) · 375 Gram(s) View ingredients & interactions ACG3 Supercharged+ Gummy Bear Blast by PMD Powder 13.2 Ounce(s) · 375 Gram(s) View ingredients & interactions ACG3 Supercharged+ Wild Grape by PMD Powder 13.3 Ounce(s) · 378 Gram(s) View ingredients & interactions Action Max For Men by Country Life Tablet Or Pill 120 Tablet(s) View ingredients & interactions Action Max For Men by Country Life Tablet Or Pill 60 Tablet(s) View ingredients & interactions
Pharmacist Counseling Corner

Yohimbe: Common Questions

What is Yohimbe used for, and does it work?
People use Yohimbe for a range of reasons, but according to the Natural Medicines database the current clinical evidence is insufficient to confirm it works for the specific conditions it has been studied for. See the graded list on this page, and talk to your pharmacist or doctor before relying on it for any condition.
Does Yohimbe interact with prescription medications?
Yes. We list 1126 medications with a known interaction with Yohimbe, including 9 rated major. Use the checker above to see how Yohimbe interacts with a specific drug.
How are Yohimbe interactions rated?
Each interaction is graded major, moderate, or minor based on how clinically significant it is and the strength of the evidence behind it. Major interactions are the most serious and are best avoided, or used only under close professional supervision.
Is it safe to take Yohimbe with my medications?
It depends on the specific medication. Some combinations are fine, while others call for monitoring, timing changes, or should be avoided. Check your exact drug above and confirm with your pharmacist or doctor before starting, stopping, or changing anything.
Where does this Yohimbe interaction information come from?
Our interaction data is built on the Natural Medicines database — an evidence-graded reference for vitamins, herbs, and supplements — and is reviewed by licensed HelloPharmacist pharmacists, who may add clinical context.
What is Yohimbe used for?
It is most commonly used for erectile dysfunction and to boost sex drive, and it is also marketed for weight loss and energy. The strongest evidence is for the prescription form used in erectile dysfunction, not the over-the-counter supplement.
Is Yohimbe safe to take?
It can cause serious side effects like high blood pressure, fast heartbeat, anxiety, and in rare cases dangerous heart problems. Because supplement potency is unpredictable, it should be used with caution and only after talking to your pharmacist or doctor.
Can I take Yohimbe during pregnancy or while breastfeeding?
No. Yohimbe should be avoided during pregnancy and breastfeeding because it may be unsafe and there is not enough information to consider it safe.
Is Yohimbe the same as yohimbine?
Not exactly. Yohimbine is the active chemical found in Yohimbe bark, and it is also sold as a regulated prescription medicine, while Yohimbe supplements are bark products with unpredictable amounts of yohimbine.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

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