Interactions on record — worth a quick check against your medications. Based on 4 of 6 ingredients. Check your meds →
Dietary supplement

Cramp Care Ingredients & Drug Interactions

by Herb Pharm

Cramp Care label
See full label image
Liquid Category: Botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Cramp Care against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy

The interaction bottom line Most serious interaction: Moderate

Cramp Care is a dietary supplement by Herb Pharm with 6 active ingredients. Its ingredients are commonly taken for nausea and vomiting, motion sickness, morning sickness in pregnancy.Based on those ingredients, 1,249 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Ginger extract, Black Cohosh extract, Wild Yam extract. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Cramp Care by Herb Pharm

Ask about any prescription or over-the-counter medication and we check it for interactions with Cramp Care by Herb Pharm — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Cramp Care by Herb Pharm

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Jul 23, 2026

What’s inside

Low disclosure
Ingredient Transparency · database check
Low

Most active ingredients don't disclose an individual amount — you can't tell how much of each you're getting.

Why this rating?
  • The label discloses an exact amount for 0 of its 6 active ingredients.
  • “Proprietary Extract Blend” is a proprietary blend — the label gives one combined amount (1,238 mg) without saying how much of each component you get.

Cramp Care contains 6 ingredients total. The active components are ginger extract, cramp bark extract, corydalis tuber extract, Jamaica dogwood extract, black cohosh extract, and wild yam extract, combined in a proprietary blend.

These are delivered in a liquid form with certified organic cane alcohol, distilled water, and certified organic vegetable glycerin as inactive ingredients.

Does it work?

Moderate evidence
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Moderate

Some clinical evidence supports this product's ingredients for its stated purpose, but it isn't conclusive.

Why this rating?
  • The label markets this product for: Menstrual cramp and muscle tension relief.
  • We looked for evidence on: Dysmenorrhea, Muscle cramps, Premenstrual syndrome (PMS), Menopausal symptoms, Reproductive system support, Menstrual pain — and 1 related terms.
  • The strongest evidence on file: Black Cohosh is rated "Possibly Effective" for Menopausal symptoms (Natural Medicines).
  • Also on file: Ginger is rated "Possibly Effective" for Dysmenorrhea.
  • Also on file: Wild Yam is rated "Possibly Ineffective" for Menopausal symptoms.

Ginger is possibly effective for pregnancy-induced nausea and vomiting and for dysmenorrhea (menstrual cramps). Ginger is possibly ineffective for exercise-induced muscle soreness and for chemotherapy-induced nausea and vomiting.

For the other ingredients, evidence is more limited. Cramp bark, corydalis tuber, Jamaica dogwood, and wild yam all have insufficient reliable evidence to establish whether they work for their traditional uses — including muscle cramps, dysmenorrhea, and other conditions.

Black cohosh is possibly effective for menopausal symptoms but shows insufficient evidence for most other uses.

The evidence, ingredient by ingredient Ginger Cramp Bark Black Cohosh Wild Yam

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 3 of the 4 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 4 of 4.
  • General safety write-ups exist for 4 of 4.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Ginger is generally well tolerated in typical food and supplement amounts. The most common side effects are mild — abdominal discomfort, burping, diarrhea, heartburn, and a peppery irritant feeling in the mouth and throat.

Doses above 5 grams per day increase the risk of side effects. Ginger is rated likely safe in pregnancy and likely safe during breastfeeding, though it's often used for morning sickness with doctor approval and moderate amounts.

Black cohosh is generally well tolerated short-term but carries rare concerns about liver damage; medical guidance is wise. It is rated possibly unsafe in pregnancy and possibly unsafe during breastfeeding.

Cramp bark has limited human safety data and should be avoided in pregnancy and breastfeeding. Wild yam is likely fine for short-term use but long-term safety is not well studied; avoid it in pregnancy and breastfeeding due to insufficient data.

Corydalis tuber and Jamaica dogwood safety data are not on file.

Side effects, ingredient by ingredient Ginger Cramp Bark Black Cohosh Wild Yam

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 3 of the 4 matched ingredients can interact with medications — Black Cohosh, Ginger, Wild Yam.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; immunosuppressants / transplant drugs; diabetes medications.
  • For scale: 1,250 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Before taking Cramp Care, check with your doctor or pharmacist if you take blood thinners or antiplatelet drugs (warfarin, phenprocoumon, aspirin, clopidogrel), diabetes medications, heart or blood pressure drugs (nifedipine, losartan), cancer medications, liver-processed drugs, drugs for cholesterol (atorvastatin), chemotherapy (cisplatin), estrogen or hormone therapy, or serotonergic antidepressants — all have documented Moderate interactions with ginger and/or black cohosh. No interactions are documented for corydalis tuber or Jamaica dogwood, as we hold no data for them.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFormula with limited ingredient disclosure with some supporting evidence for its stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

This product may help with menstrual cramp discomfort through ginger and traditional herbal ingredients, though evidence is strongest for ginger's use in nausea. Because ginger and black cohosh interact with blood thinners, heart medications, diabetes drugs, and several other medication classes, anyone on prescription drugs — especially anticoagulants, antidepressants, or hormone therapy — should check their exact medications with your doctor or pharmacist before starting.

Pregnant and breastfeeding individuals should speak with their healthcare provider first.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 4 of 6 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Oct 22, 2021.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Cramp Care, straight from the product label.

Brand Herb Pharm
Barcode (UPC) 090700032364
Net contents 2 Fluid Ounce(s); 60 mL
Market status On market
Date entered into DSLD Oct 22, 2021
DSLD ID 256437
Product type Botanical
Supplement form Liquid
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten Free
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Cramp Care by Herb Pharm, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
1.4 mL
Maximum serving Sizes:
1.4 mL
Servings per container
42
UPC/BARCODE
090700032364
IngredientAmount% DV
Calories5 Calorie(s)--
Ginger extract0 NP--
Proprietary Extract Blend1238 mg--
Cramp Bark extract0 NP--
Corydalis tuber extract0 NP--
Jamaica Dogwood extract0 NP--
Black Cohosh extract0 NP--
Wild Yam extract0 NP--

Other ingredients: certified organic Cane Alcohol, distilled Water, certified organic Vegetable Glycerin

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Suggested/Recommended/Usage/Directions

Suggested use Shake well before using Add 1 full squeeze of the dropper bulb (0.7 ml) to 2 oz. of water or juice, 2 to 5 times per day. Each serving may be increased to 2 full squeezes of the dropper bulb (1.4 ml) if desired. Best taken between meals.

Precautions

Caution: Seek expert medical advice before taking during pregnancy or nursing.

Keep out of the reach of children

Storage

Store away from heat & light

Formulation

System restoration Reproductive

Gluten-free

FDA Statement of Identity

Herbal Supplement

FDA Disclaimer Statement

This statement has not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease.

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Cramp Care by Herb Pharm label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

Cramp Care label

Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.

View the full label (PDF)
What’s inside

The Ingredients in Cramp Care by Herb Pharm

These are the 6 active ingredients this product is made of. Select any to open its full monograph.

Serving size1.4 mL Dosage formLiquid Servings per container42 Amounts shown are per serving.

Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.

Proprietary Extract Blend

1238 mg per serving

Other (inactive) ingredients: Certified organic Cane Alcohol, Distilled Water, Certified organic Vegetable Glycerin. These complete the product’s ingredient list but are not active constituents.

Interaction report

Cramp Care by Herb Pharm Drug Interactions

Want to check YOUR meds against Cramp Care?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

 Go to the checker
1,249Drugs
1,182 Moderate 67 Minor

Ingredients driving the most interactions

Ginger extract 1,007
Black Cohosh extract 652
Wild Yam extract 41

Individual Drug Interactions

The ingredients in Cramp Care interact with 1,249 drugs. Click any drug to see the details.

3 of the 6 ingredients in Cramp Care interact with drugs. Each result below shows which ingredient is responsible. Ginger extract Black Cohosh extract Wild Yam extract

Each ingredient & the kinds of drugs it affects

For each ingredient in Cramp Care with known interactions, here are the types of medications they can affect. Open any type for the detail — or search your exact drug in the checker above.

Ginger extract14 drug types · 1,007 drugs

Anticoagulant/Antiplatelet Drugs

Ginger may have antiplatelet effects and may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs. However, research is conflicting.
Laboratory research suggests that ginger inhibits thromboxane synthetase and decreases platelet aggregation. However, this has not been demonstrated unequivocally in humans, with mixed results from clinical trials. Theoretically, excessive amounts of ginger might increase the risk of bleeding when used with anticoagulant/antiplatelet drugs.

Likelihood Possible Evidence B
Antidiabetes Drugs

Theoretically, taking ginger with antidiabetes drugs might increase the risk of hypoglycemia.
Animal and human research suggests that ginger might increase insulin levels and/or decrease blood glucose levels.

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

Ginger might increase or decrease the levels of CYP3A4 substrates.
In vitro research and some case reports suggest that ginger inhibits CYP3A4 activity. Three case reports from the World Health Organization (WHO) adverse drug reaction database describe increased toxicity in patients taking ginger and cancer medications that are CYP3A4 substrates (imatinib, dabrafenib, and crizotinib). However, the causality of this interaction is unclear due to the presence of multiple interacting drugs and routes of administration.
Conversely, other in vitro research suggests that ginger induces CYP3A4 activity, leading to reduced levels of CYP3A4 substrates. However, this interaction has not been reported in humans.

Likelihood Possible Evidence D
Losartan (Cozaar)

Theoretically, ginger might increase levels of losartan and the risk of hypotension.
In animal research, ginger increased the levels and hypotensive effects of a single dose of losartan. It is not clear if ginger alters the concentration or effects of losartan when taken continuously. Additionally, this interaction has not been shown in humans.

Likelihood Possible Evidence D
Nifedipine (Procardia)

Ginger may have antiplatelet effects and increase the risk of bleeding if used with nifedipine.
Clinical research shows that combined treatment with ginger 1 gram plus nifedipine 10 mg significantly inhibits platelet aggregation when compared to nifedipine or ginger alone.

Likelihood Possible Evidence B
P-Glycoprotein Substrates

Ginger might increase the absorption and blood levels of P-glycoprotein (P-gp) substrates.
In vitro research and case reports suggest that ginger inhibits drug efflux by P-gp, potentially increasing absorption and serum levels of P-gp substrates. Two case reports from the World Health Organization (WHO) adverse drug reaction database describe increased toxicity in patients taking ginger and cancer medications that are P-gp substrates (trametinib, crizotinib). However, the causality of this interaction is unclear due to the presence of multiple interacting drugs and routes of administration.

Likelihood Possible Evidence D
Phenprocoumon (Marcoumar, Others)

Ginger might increase the risk of bleeding with phenprocoumon.
Phenprocoumon, a warfarin-related anticoagulant, might increase the international normalized ratio (INR) when taken with ginger. There is one case report of a 76-year-old woman with a stable INR on phenprocoumon that increased to greater than 10 when she began consuming dried ginger and ginger tea.

Likelihood Possible Evidence D
Warfarin (Coumadin)

Ginger might increase the risk of bleeding with warfarin.
Laboratory research suggests that ginger might inhibit thromboxane synthetase and decrease platelet aggregation. In one case report, ginger increased the INR when taken with phenprocoumon, which has similar pharmacological effects as warfarin. In another case report, ginger increased the INR when taken with a combination of warfarin, hydrochlorothiazide, and acetaminophen. A longitudinal analysis suggests that taking ginger increases the risk of bleeding in patients taking warfarin for at least 4 months. However, research in healthy people suggests that ginger has no effect on INR, or the pharmacokinetics or pharmacodynamics of warfarin. Until more is known, monitor INRs closely in patients taking large amounts of ginger.

Likelihood Possible Evidence B
Calcium Channel Blockers

Theoretically, taking ginger with calcium channel blockers might increase the risk of hypotension.
Some animal and in vitro research suggests that ginger has hypotensive and calcium channel-blocking effects. Another animal study shows that concomitant administration of ginger and the calcium channel blocker amlodipine leads to greater reductions in blood pressure when compared with amlodipine alone.

Likelihood Unlikely Evidence D
Cyclosporine (Neoral, Sandimmune)

Theoretically, when taken prior to cyclosporine, ginger might decrease cyclosporine levels.
In an animal model, ginger juice taken 2 hours prior to cyclosporine administration reduced the maximum concentration and area under the curve of cyclosporine by 51% and 40%, respectively. This effect was not observed when ginger juice and cyclosporine were administered at the same time.

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

Theoretically, ginger might increase the levels of CYP1A2 substrates.
In vitro research shows that ginger inhibits CYP1A2 activity. However, this interaction has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 2B6 (Cyp2B6) Substrates

Theoretically, ginger might increase the levels of CYP2B6 substrates.
In vitro research shows that ginger inhibits CYP2B6 activity. However, this interaction has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 2C9 (Cyp2C9) Substrates

Theoretically, ginger might increase the levels of CYP2C9 substrates.
In vitro research shows that ginger inhibits CYP2C9 activity. However, this interaction has not been reported in humans.

Likelihood Possible Evidence D
Metronidazole (Flagyl)

Theoretically, ginger might increase levels of metronidazole.
In an animal model, ginger increased the absorption and plasma half-life of metronidazole. In addition, the elimination rate and clearance of metronidazole was significantly reduced.

Likelihood Possible Evidence D
Ginger extract full monograph & interactions

Black Cohosh extract7 drug types · 652 drugs

Atorvastatin (Lipitor)

Taking black cohosh with atorvastatin might increase the risk for elevated liver function tests.
In one case report, a patient taking atorvastatin (Lipitor) developed significantly elevated liver function enzymes after starting black cohosh 100 mg four times daily. Liver enzymes returned to normal when black cohosh was discontinued. It is unclear whether the elevated liver enzymes were due to black cohosh itself or an interaction between atorvastatin and black cohosh.

Likelihood Possible Evidence D
Cisplatin (Platinol-Aq)

Theoretically, black cohosh may reduce the clinical effects of cisplatin.
Animal research suggests that black cohosh might decrease the cytotoxic effect of cisplatin on breast cancer cells.

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

Some research suggests that black cohosh might inhibit CYP2D6, but there is conflicting evidence.
Some clinical research suggests that black cohosh might modestly inhibit CYP2D6 and increase levels of drugs metabolized by this enzyme. However, contradictory clinical research shows a specific black cohosh product (Remifemin, Enzymatic Therapy) 40 mg twice daily does not significantly inhibit metabolism of a CYP2D6 substrate in healthy study volunteers. Until more is known, use black cohosh cautiously in patients taking drugs metabolized by CYP2D6.

Likelihood Possible Evidence B
Estrogens

Theoretically, black cohosh may alter the effects of estrogen therapy.
Some research suggests that black cohosh has estrogenic effects. This may enhance or inhibit the effects of estrogen therapy.

Likelihood Possible Evidence D
Hepatotoxic Drugs

Theoretically, taking black cohosh with hepatotoxic drugs may increase the risk of liver damage.
There is concern that black cohosh might be linked to cases of liver failure and autoimmune hepatitis.

Likelihood Possible Evidence D
Serotonergic Drugs

Combining serotonergic drugs with black cohosh might cause additive serotonergic effects.
Black cohosh might increase the risk of serotonin syndrome when combined with other serotonergic drugs. Black cohosh acts as an agonist at several serotonin receptor subtypes and might interact with other serotonergic medications. In one case, a 55-year-old female who had been on stable treatment with sertraline 50 mg and duloxetine 60 mg daily developed serotonin syndrome after taking black cohosh extract 40 mg daily for 3 days.

Likelihood Possible Evidence D
Organic Anion-Transporting Polypeptide Substrates (Oatp)

Black cohosh may inhibit one form of OATP, OATP2B1, which could reduce the bioavailability and clinical effects of OATP2B1 substrates.
In vitro research shows that black cohosh modestly inhibits OATP2B1. OATPs are expressed in the small intestine and liver and are responsible for the uptake of drugs and other compounds into the body. Inhibition of OATP may reduce the bioavailability of oral drugs that are substrates of OATP.

Likelihood Possible Evidence D
Black Cohosh extract full monograph & interactions

Wild Yam extract1 drug type · 41 drugs

Estrogens

Theoretically, wild yam might increase or decrease the effects of estrogen.
Wild yam root shows estrogenic and anti-estrogenic effects in vitro. Theoretically, wild yam might interfere with hormone therapy.

Likelihood Possible Evidence D
Wild Yam extract full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Cramp Care, from the product label.

Herb Pharm

See all Herb Pharm products
Name
Herb Pharm
City
Williams
State
OR
ZipCode
97544
Phone Number
800-348-4372
Web Address
www.herb-pharm.com
Pharmacist Counseling Corner

Cramp Care by Herb Pharm: Common Questions

Does Cramp Care by Herb Pharm interact with any medications?
Yes. Based on its ingredients, Cramp Care has a known interaction with 1,249 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Cramp Care contains 6 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Can I take this if I'm pregnant?
Ginger is rated likely safe in pregnancy, and it's often used for morning sickness with a doctor's approval at moderate amounts. However, cramp bark should be avoided — safety data are limited — and black cohosh and wild yam are rated possibly unsafe. Talk with your doctor or pharmacist before taking this product during pregnancy, since it contains multiple ingredients with different safety profiles.
Will this help with period cramps?
Ginger extract in this product is possibly effective for dysmenorrhea (menstrual cramps). The other ingredients — cramp bark, corydalis tuber, Jamaica dogwood, black cohosh, and wild yam — are used traditionally for cramps, but there isn't enough reliable evidence yet to confirm they work. Your results may vary.
What are the most common side effects?
Ginger most commonly causes mild stomach upset — abdominal discomfort, burping, diarrhea, heartburn, and a peppery irritant feeling in the mouth and throat. Black cohosh may cause breast tenderness, dizziness, headache, or tiredness. Wild yam may cause headache, fever, upset stomach, or vomiting. These are usually mild at typical doses.
Is this safe to take long-term?
Ginger is generally well tolerated for long-term use at typical doses. Black cohosh is generally well tolerated short-term but has rare liver concerns, so medical guidance is wise if you plan long-term use. Long-term safety data for wild yam and cramp bark are not well studied, so check with your doctor before taking this product for extended periods.
Can I take this while breastfeeding?
Ginger is rated likely safe during breastfeeding. However, black cohosh and wild yam are rated possibly unsafe, and cramp bark safety data are limited — it should be avoided. Talk with your doctor or pharmacist to decide if this product is right for you while breastfeeding.
Will this interact with my birth control or hormone therapy?
Yes — black cohosh and wild yam both interact with estrogens. Black cohosh may alter estrogen effects, and wild yam shows estrogenic and anti-estrogenic effects in the lab. If you take birth control or hormone therapy, check with your doctor or pharmacist before starting this product.

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

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Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Cramp Care label
Go deeper

The Full Monographs Behind Cramp Care’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Ginger

Interacts with 1,007 drugs

Ginger is a widely used culinary spice with a long history in traditional medicine, and it has the strongest evidence for helping with nausea and vomiting, including from motion sickness, pr...

Read the full Ginger monograph → Herb & supplement monograph

Cramp Bark

Cramp Bark is the dried bark of Viburnum opulus, traditionally used to ease muscle and menstrual cramps. Modern, high-quality human studies are very limited, so its effectiveness is not well...

Read the full Cramp Bark monograph → Herb & supplement monograph

Black Cohosh

Interacts with 652 drugs

Black cohosh is a North American plant most often used to ease menopause symptoms like hot flashes, but the research is mixed and far from settled. It is generally well tolerated for short-t...

Read the full Black Cohosh monograph → Herb & supplement monograph

Wild Yam

Interacts with 41 drugs

Wild yam is a root traditionally used for menopausal symptoms, cramps, and as a so-called 'natural' hormone supplement, but solid human evidence for these uses is lacking. Despite popular cl...

Read the full Wild Yam monograph →
Sources

Sources & How We Checked

Cramp Care's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

The 139 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Ginger 64 references
  1. Fischer-Rasmussen W, Kjaer SK, Dahl C, Asping U. Ginger treatment of hyperemesis gravidarum. Eur J Obstet Gynecol Reprod Biol 1991;38:19-24. PubMed
  2. Jewell D, Young G. Interventions for nausea and vomiting in early pregnancy. Cochrane Database Syst Rev 2000;(2):CD000145. PubMed
  3. Vutyavanich T, Kraisarin T, Ruangsri R. Ginger for nausea and vomiting in pregnancy: randomized, double-masked, placebo-controlled trial. Obstet Gynecol 2001;97:577-82. DOI
  4. Backon J. Ginger in preventing nausea and vomiting of pregnancy; a caveat due to its thromboxane synthetase activity and effect on testosterone binding. Eur J Obstet Gynecol Reprod Biol 1991;42:163-4. PubMed
  5. Srivastava KC. Effect of onion and ginger consumption on platelet thromboxane production in humans. Prostaglandins Leukot Essent Fatty Acids 1989;35:183-5. PubMed
  6. Stewart JJ, Wood MJ, Wood CD, Mims ME. Effects of ginger on motion sickness susceptibility and gastric function. Pharmacology 1991;42:111-20. PubMed
  7. Smith C, Crowther C, Willson K, et al. A randomized controlled trial of ginger to treat nausea and vomiting in pregnancy. Obstet Gynecol 2004;103:639-45. PubMed
  8. Portnoi G, Chng LA, Karimi-Tabesh L, et al. Prospective comparative study of the safety and effectiveness of ginger for the treatment of nausea and vomiting in pregnancy. Am J Obstet Gynecol 2003;189:1374-7.. PubMed
  9. Wigler I, Grotto I, Caspi D, Yaron M. The effects of Zintona EC (a ginger extract) on symptomatic gonarthritis. Osteoarthritis Cartilage 2003;11:783-9. PubMed
  10. Ghayur MN, Gilani AH. Ginger lowers blood pressure through blockade of voltage-dependent calcium channels. J Cardiovasc Pharmacol 2005;45:74-80. PubMed
  11. Thomson M, Al-Qattan KK, Al-Sawan SM, et al. The use of ginger (Zingiber officinale Rosc.) as a potential anti-inflammatory and antithrombotic agent. Prostaglandins Leukot Essent Fatty Acids 2002;67:475-8. PubMed
  12. Kanerva L, Estlander T, Jolanki R. Occupational allergic contact dermatitis from spices. Contact Dermatitis 1996;35:157-62. PubMed
  13. Akhani SP, Vishwakarma SL, Goyal RK. Anti-diabetic activity of Zingiber officinale in streptozotocin-induced type I diabetic rats. J Pharm Pharmacol 2004;56:101-5.
  14. Kruth P, Brosi E, Fux R, et al. Ginger-associated overanticoagulation by phenprocoumon. Ann Pharmacother 2004;38:257-60. PubMed
  15. Jiang X, Williams KM, Liauw WS, et al. Effect of ginkgo and ginger on the pharmacokinetics and pharmacodynamics of warfarin in healthy subjects. Br J Clin Pharmacol 2005;59:425-32. PubMed
  16. Borrelli F, Capasso R, Aviello G, et al. Effectiveness and safety of ginger in the treatment of pregnancy-induced nausea and vomiting. Obstet Gynecol 2005;105:849-56. PubMed
  17. Smith C, Crowther C, Wilson K et al. A randomized controlled trial of ginger to treat nausea and vomiting in pregnancy. Obstet Gynecol 2004;103:639-45. PubMed
  18. Jiang X, Blair EY, McLachlan AJ. Investigation of the effects of herbal medicines on warfarin response in healthy subjects: a population pharmacokinetic-pharmacodynamic modeling approach. J Clin Pharmacol 2006;46:1370-8. PubMed
  19. Chittumma P, Kaewkiattikun K, Wiriyasiriwach B. Comparison of the effectiveness of ginger and vitamin B6 for treatment of nausea and vomiting in early pregnancy: a randomized double-blind controlled trial. J Med Assoc Thai 2007;90:15-20.
  20. Ozgoli G, Goli M, Moattar F. Comparison of effects of ginger, mefenamic acid, and ibuprofen on pain in women with primary dysmenorrhea. J Altern Complement Med 2009;15:129-32. PubMed
  21. Black CD, Herring MP, Hurley DJ, O'Connor PJ. Ginger (Zingiber officinale) reduces muscle pain caused by eccentric exercise. J Pain 2010;11:894-903. PubMed
  22. Heitmann K, Nordeng H, Holst L. Safety of ginger use in pregnancy: results from a large population-based cohort study. Eur J Clin Pharmacol 2012 Jun 17. PubMed
  23. Ryan JL, Heckler CE, Roscoe JA, et al. Ginger (Zingiber officinale) reduces acute chemotherapy-induced nausea: a URCC CCOP study of 576 patients. Support Care Cancer. 2012;20:1479-89. PubMed
  24. Backon J. Ginger as an antiemetic: possible side effects due to its thromboxane synthetase activity. Anaesthesia. 1991;46(8):705-6.. PubMed
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Black Cohosh 68 references
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Wild Yam 7 references
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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.

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