Drug & supplement interaction

Cannabis + Methylphenidate

Methylphenidate brand names: Ritalin, Ritalin-SR, Concerta, Methylin, Metadate, and others.

No Known Interaction
Medically reviewed by · Updated October 2026 · Pair last verified Oct 4, 2026
The bottom line No known interaction

We found no known interaction between Cannabis and Methylphenidate in our sources. Absence of a documented interaction is not the same as proven safety, and does not guarantee one does not exist. Do not start, stop, or change a medication or supplement based on this page; confirm with your pharmacist or doctor first. Additionally, although there is no interaction, the two are separately associated with some of the same side effects, which would make a new symptom harder to attribute to one or the other.

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Interaction report

Cannabis and Methylphenidate

We checked these two against our interaction database. Here is what we found.

No Known Interaction Found

We did not find a documented interaction between Methylphenidate and Cannabis in our sources. This does not guarantee that the combination is completely free of risk — there is often limited research on supplements and herbal products, especially around drug interactions.

If you decide to take both, the practical routine is simple: add one new thing at a time and note the date you started it. If the combination is going to disagree with you, it usually shows in the first days to a couple of weeks — and a start date turns “I’ve been feeling off” into something a pharmacist can actually work with. Do not stop a prescribed medicine on your own.

Always talk with your pharmacist or doctor before making changes to your medications or supplements, particularly if you take several medications or have an ongoing health condition.

Cannabis safety at a glance

Cannabis overall Use caution Can cause impairment, dependence, and mental health effects; use carefully and under medical guidance where legal.
Pregnancy Avoid Cannabis is not considered safe in pregnancy and may harm fetal development.
Breastfeeding Likely Unsafe When used orally or inhaled. Delta-9-tetrahydrocannabinol (THC) is concentrated and excreted in breast milk for longer than 6 weeks after cessation of cannab... Read the full breastfeeding detail

Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center) — the full detail is in the Special populations card below. Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Still wondering about combining Methylphenidate and Cannabis? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Methylphenidate

Interactions in our licensed database are recorded against drug classes, not just single drug names. Methylphenidate is filed under 6 classifications — including stimulant drugs, serotonergic drugs, serotonergic drugs. Cannabis has documented interactions with 18 drug classes — the most serious being warfarin (coumadin) (major), alcohol (ethanol) (moderate) and anesthesia (moderate) — and none of Methylphenidate’s classifications are among them.

Classification data comes from our licensed Natural Medicines dataset. A medication can belong to classes beyond those recorded there, so this describes how the check was run — it is not a safety guarantee.

Keep it in perspective

Cannabis Does Interact With Other Medications

Cannabis has 2 major, 1,110 moderate, 25 minor known drug interactions in our database — Methylphenidate isn’t one of them. If you take anything else, check it against the full list below.

Major 2 Moderate 1,110 Minor 25 No known interaction 1,693 (incl. Methylphenidate)
Taking anything else?

Check Another of Your Medications Against Cannabis

Covers the 2,830 medications we’ve checked against Cannabis. Pick one to open its full report.

What to actually watch for

No Interaction Found — But Data Suggests Cannabis and Methylphenidate May Share Several of the Same Side Effects

This is not an interaction. Neither one changes how your body handles the other, and nothing here says they react together. What our sources do show is that each has separately been linked to the effects below — so taking both can make those effects more likely to turn up, and harder to pin on one or the other if they do. 10 of them are worth acting on rather than waiting out — marked below.

  • Mania or an unusually elevated mood / Low mood Worth acting on Additional detail

    Cannabis

    “When used short-term, smoking cannabis or using oromucosal spray containing cannabis extract (Sativex, GW Pharmaceuticals) can cause anxiety or paranoid thinking or dissociation. One small clinical trial shows that inhaling vaporized cannabis containing delta-9- tetrahydrocannabinol (THC) 10 mg, alone or with cannabidiol (CBD) 10-30 mg, modestly induces psychotic symptoms.”

    Cannabis · Natural Medicines adverse-effect record, reported in antidepressant-induced sexual dysfunction.

    6 sources cited
    1. 61896. Lynch, M. E. and Campbell, F. Cannabinoids for treatment of chronic non-cancer pain; a systematic review of randomized trials. Br.J.Clin.Pharmacol. 2011;72(5):735-744. PubMed
    2. 96814. Duran M, Pérez E, Abanades S, et al. Preliminary efficacy and safety of an oromucosal standardized cannabis extract in chemotherapy-induced nausea and vomiting. Br J Clin Pharmacol. 2010;70(5):656-63. PubMed
    3. 110242. Englund A, Oliver D, Chesney E, et al. Does cannabidiol make cannabis safer? A randomised, double-blind, cross-over trial of cannabis with four different CBD:THC ratios. Neuropsychopharmacology 2022. PubMed
    4. 110254. Hutten NRPW, Arkell TR, Vinckenbosch F, et al. Cannabis containing equivalent concentrations of delta-9-tetrahydrocannabinol (THC) and cannabidiol (CBD) induces less state anxiety than THC-dominant cannabis. Psychopharmacology (Berl) 2022;239(11):3731-374 PubMed
    5. 99583. Lawn W, Freeman TP, Pope RA, et al. Acute and chronic effects of cannabinoids on effort-related decision-making and reward learning: an evaluation of the cannabis 'amotivational' hypotheses. Psychopharmacology (Berl). 2016;233(19-20):3537-52. PubMed
    6. 18. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.

    Methylphenidate

    Listed in the ADVERSE REACTIONS section of the FDA label for Methylphenidate. Read the label on DailyMed ›

  • Serotonin syndrome Worth acting on Additional detail

    Cannabis

    “Smoking, vaping, or ingesting cannabis can cause headache, dizziness, numbness, disorientation, somnolence, and fatigue. Recurrent, strong headaches associated with cannabis use might be related to reversible cerebral vasoconstriction syndrome (RCVS). In one cohort, 32% of individuals with RCVS were cannabis users.”

    Cannabis · Natural Medicines adverse-effect record, reported in cancer.

    6 sources cited
    1. 17371. Ware MA, Wang T, Shapiro S, et al. Smoked cannabis for chronic neuropathic pain: a randomized controlled trial. CMAJ 2010;182:e694-e701. PubMed
    2. 61896. Lynch, M. E. and Campbell, F. Cannabinoids for treatment of chronic non-cancer pain; a systematic review of randomized trials. Br.J.Clin.Pharmacol. 2011;72(5):735-744. PubMed
    3. 96384. Whiting PF, Wolff RF, Deshpande S, et al. Cannabinoids for medical use: A systematic review and meta-analysis. JAMA. 2015;313(24):2456-73. PubMed
    4. 96813. Lotan I, Treves TA, Roditi Y, Djaldetti R. Cannabis (medical marijuana) treatment for motor and non-motor symptoms of Parkinson disease: an open-label observational study. Clin Neuropharmacol. 2014;37(2):41-4. PubMed
    5. 101420. van de Donk T, Niesters M, Kowal MA, Olofsen E, Dahan A, van Velzen M. An experimental randomized study on the analgesic effects of pharmaceutical-grade cannabis in chronic pain patients with fibromyalgia. Pain. 2019 Apr;160(4):860-869. PubMed
    6. 113016. Chhabra M, Ben-Eltriki M, Paul A, Lê ML, Herbert A, Oberoi S, Bradford N, Bowers A, Rassekh SR, Kelly LE. Cannabinoids for symptom management in children with cancer: A systematic review and meta-analysis. Cancer. 2023 Nov 15;129(22):3656-3670. doi: 10.10 PubMed

    Methylphenidate

    Listed in the ADVERSE REACTIONS section of the FDA label for Methylphenidate. Read the label on DailyMed ›

  • Severe muscle breakdown Worth acting on Additional detail

    Cannabis

    “Meta-analyses of up to 3 observational studies in adults with recent total hip or knee arthroplasty suggests that a history of cannabis use is associated with a greater risk of postoperative surgical revision, dislocation, mechanical loosening of prosthesis, periprosthetic fracture, and infection when compared with no history of cannabis use.

    Chronic use of large amounts of cannabis has been associated with alteratio…”

    Cannabis · Natural Medicines adverse-effect record, reported in bone loss.

    5 sources cited
    1. 115363. Yang G, Li F, Wang Q, Liu Y, Guo J, Yue C. Association between history of cannabis use and outcomes after total hip or knee arthroplasty: a systematic review and meta-analysis. Front Public Health 2024;12:1377688. PubMed
    2. 92673. Reece AS. Severe multisystem dysfunction in a case of high level exposure to smoked cannabis. BMJ Case Rep. 2009;2009. pii: bcr08.2008.0798. PubMed
    3. 110238. Simonsen SK, Rittig NF, Poulsen PL, Svart MV. Hypokalemic paresis in a 26-year-old man after recreational cannabis use. Am J Case Rep 2022;23:e936008. PubMed
    4. 103793. Ammerman SD, Ryan SA, Adelman WP, et al. The impact of marijuana policies on youth: clinical, research, and legal update. Pediatrics. 2015;135(3):584-7. DOI
    5. 104492. Lewis B, Fleeger T, Judge B, Riley B, Jones JS. Acute toxicity associated with cannabis edibles following decriminalization of marijuana in Michigan. Am J Emerg Med. 2020:S0735-6757(20)30872-X. PubMed

    Methylphenidate

    Listed in the ADVERSE REACTIONS section of the FDA label for Methylphenidate. Read the label on DailyMed ›

  • A slow heartbeat / An irregular heartbeat / Chest pain Worth acting on Additional detail

    Cannabis

    “Orally, edible cannabis products reported to contain 50 mg or more of delta-9-tetrahydrocannabinol (THC) have been associated with myocardial infarction (MI) and ventricular arrhythmia. An epidemiological study in adults 18-74 years old suggests daily cannabis use is associated with a 25% increased odds of MI when compared with non-use, with lower odds for less than daily use, regardless of prior history of cigarette…”

    Cannabis · Natural Medicines adverse-effect record, reported in arrhythmia.

    6 sources cited
    1. 103796. Monte AA, K Shelton SK, Mills E., Acute Illness Associated With Cannabis Use, by Route of Exposure: An Observational Study. Ann Intern Med. 2019 Apr 16;170(8):531-537. PubMed
    2. 113092. Jeffers AM, Glantz S, Byers AL, Keyhani S. Association of Cannabis Use With Cardiovascular Outcomes Among US Adults. J Am Heart Assoc. 2024 Mar 5;13(5):e030178. PubMed
    3. 91909. Mittleman MA, Lewis RA, Maclure M, Sherwood JB, Muller JE. Triggering myocardial infarction by marijuana. Circulation. 2001;103(23):2805-9. PubMed
    4. 61840. Cappelli, F., Lazzeri, C., Gensini, G. F., and Valente, S. Cannabis: a trigger for acute myocardial infarction? A case report. J Cardiovasc.Med.(Hagerstown.) 2008;9(7):725-728. PubMed
    5. 96378. Goyal H, Awad HH, Ghali JK. Role of cannabis in cardiovascular disorders. J Thorac Dis. 2017;9(7):2079-2092. PubMed
    6. 104491. Lawin D, Lawrenz T, Tego A, Stellbrink C. Cannabis-induced recurrent myocardial infarction in a 21-year-old man: a case report. Eur Heart J Case Rep. 2020;4(3):1-5. PubMed

    Methylphenidate

    Listed in the ADVERSE REACTIONS section of the FDA label for Methylphenidate. Read the label on DailyMed ›

  • Hallucinations Worth acting on Additional detail

    Cannabis

    “When inhaled or used orally, cannabis can cause various adverse effects. A specific oromucosal spray containing cannabis extract (Sativex) seems to be well tolerated when used appropriately.

    Most Common Adverse Effects:

    All ROAs: Dizziness, dry mouth, fatigue, headache, increased appetite, nausea, paranoid and dissociative thinking, and sedation.”

    Cannabis · Natural Medicines adverse-effect record, reported in arrhythmia.

    Methylphenidate

    Listed in the ADVERSE REACTIONS section of the FDA label for Methylphenidate. Read the label on DailyMed ›

  • Confusion Worth acting on Additional detail

    Cannabis

    Recorded for Cannabis in the same Natural Medicines adverse-effect record shown under Mania or an unusually elevated mood / Low mood above.

    Methylphenidate

    Listed in the ADVERSE REACTIONS section of the FDA label for Methylphenidate. Read the label on DailyMed ›

  • Seizures Worth acting on Additional detail

    Cannabis

    Recorded for Cannabis in the same Natural Medicines adverse-effect record shown under Hallucinations above.

    Methylphenidate

    Listed in the ADVERSE REACTIONS section of the FDA label for Methylphenidate. Read the label on DailyMed ›

Showing the 10 most notable of 41 shared effects — ranked by how unusual each one is, not just whether both lists mention it.

Reported for Cannabis but not commonly for Methylphenidate: a stroke or mini-stroke, a severe skin reaction, low blood pressure and an electrolyte imbalance.

Effects for Methylphenidate come from the ADVERSE REACTIONS section of its FDA label; effects for Cannabis come from the Natural Medicines adverse-effect record, quoted above. Wording is matched across sources by our own clinical vocabulary, so treat this as a prompt to pay attention, not a diagnosis.

Special populations

Cannabis in Pregnancy & Breastfeeding

Lactation Likely Unsafe

When used orally or inhaled. Delta-9-tetrahydrocannabinol (THC) is concentrated and excreted in breast milk for longer than 6 weeks after cessation of cannabis use. Prolonged cannabis use during lactation has been associated with delayed motor development. Observational research in mothers who successfully abstained from cannabis use for 6 weeks (confirmed by a negative THC urine screen) after smoking cannabis prenatally at least twice weekly, found that THC levels in breastmilk increased during the first 2 weeks of abstinence and then decreased but remained detectable at 6 weeks. For patients planning to breastfeed, recommend abstaining from cannabis use prenatally and during lactation. Recommendations to discard breastmilk until THC levels are undetectable are not practical, as this may take more than 6 weeks. According to the American College of Obstetrics and Gynecology, cannabis use during lactation is discouraged due to limited long-term safety data in infants.

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

From our Q&A

Questions About Cannabis or Methylphenidate

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Cannabis or Methylphenidate, not necessarily both, but if one is close to what you were about to ask it will usually go further than a database entry can:

Not quite your question? Ask our pharmacists directly — it is free, there is no account required, and answers usually come back within 24 hours.

Everything else you take

See Every Supplement That Interacts With Methylphenidate

This page covers Cannabis only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Methylphenidate page lists 85 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Ephedra (major), Lithium (major), Peyote (major) and Rauvolfia Vomitoria (major).

By severity: 6 major · 64 moderate · 15 minor.

From our pharmacist’s overview on the Methylphenidate page

“Methylphenidate (Ritalin, Concerta, Metadate) is itself a stimulant, and that one fact shapes most of this list. The largest cluster of interacting supplements adds a second stimulant on top of it, from ephedra and its relatives to everyday caffeine sources like coffee and green tea, which can push heart rate and blood pressure higher…”

Reviewed by 2 · Jul 18, 2026

Open the Methylphenidate interaction page

One more smart check

Taking Cannabis as Part of a Dietary Supplement Product? Check It for Interactions

We hold 21 real supplement products containing Cannabis, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Cannabis. Even though Cannabis itself has no known interaction with Methylphenidate, another ingredient on your label might. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Cannabis and Methylphenidate Sit Against Everything Else

Out of every supplement and medication people look up on HelloPharmacist, here is where these two land this week — and which way each has been moving.

Supplement Cannabis
Top 25%

#241 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Methylphenidate
Top 10

#4 of 2,830 medications looked up here in the last 7 days

29 days ago today

Position among everything looked up on this site, not a measure of how commonly either one is used or how important it is. A supplement can climb this list because of a news story. It counts every request to the page, automated ones included, and nothing here identifies anyone.

Where does our data come from?
  • Source: the Natural Medicines (TRC Healthcare) clinical database — the evidence-graded professional reference for herb & supplement interactions.
  • Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Cannabis reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified October 4, 2026. The Cannabis and Methylphenidate records this page draws on were last updated October 6, 2026.
  • What “no known interaction” means: no documented interaction in the sources above — not a guarantee of safety. Supplements are studied far less than prescription drugs, so we say exactly what the evidence supports, and nothing more.
Data structure & sourcing designed and verified by .
Supplement

About Cannabis

What is Cannabis?

Cannabis
  • Chronic pain
  • Nausea and vomiting from chemotherapy
  • Muscle spasticity (e.g., multiple sclerosis)
  • Anxiety and stress
  • Sleep problems
  • Appetite stimulation

Cannabis contains many active compounds, mainly THC (which causes a 'high') and CBD (which does not). Some uses, such as chemotherapy-related nausea, certain seizure disorders, and muscle spasticity, have meaningful evidence, while many other popular uses are not well proven. It can cause real side effects and impairment, so talk to your doctor or pharmacist and follow your local laws before using it.

Cannabis sativa · Cannabaceae · Dried flowers (buds), leaves, and extracted resins/oils · Dried flower for smoking or vaporizing, edibles, oils and tinctures, capsules, topical creams, prescription products (e.g., dronabinol, nabilone, cannabidiol)

An interaction check asks whether these two react with each other — it does not ask whether Cannabis is a good idea for someone in your situation. Here is what our Cannabis record says about it on its own.

Cannabis: dosing

There is no single standard dose for cannabis. The right amount depends on the product, its strength, the THC and CBD content, how it is taken, and the person using it. Products can vary a lot in potency, which makes consistent dosing difficult.A common harm-reduction approach is to 'start low and go slow,' meaning begin with a small amount and wait to see how it affects you before taking more. This is especially important with edibles, which can take an hour or more to work.For prescription cannabis-based medicines, follow your doctor's instructions exactly.

From our Cannabis monograph — the full record covers uses, side effects and every documented interaction.

Read the full Cannabis monograph & all interactions
Medication

About Methylphenidate

What Is Methylphenidate Used For?

Brand names: Ritalin, Ritalin-SR, Concerta, Methylin, Metadate, Metadate CD, Methylin ER, Ritalin LA, Aptensio XR, Quillivant Xr, Cotempla XR-ODT, Jornay PM, Relexxii

Methylphenidate treats ADHD across many oral and patch products. Age ranges differ by product. Some are approved for children 6 and older, some for children and teens, and some also for adults up to age 65.

Some immediate-release and certain extended-release methylphenidate tablets are also used for narcolepsy (a sleep disorder with sudden, overwhelming sleepiness). Methylphenidate oral solution and chewable tablets are described for attention deficit disorders in children, as part of a total treatment program that includes psychological, educational and social support. Not every product is approved for every use or age group.

See full Methylphenidate drug information
Keep checking

Other Drugs & Cannabis

Browse every other medication we’ve checked against Cannabis — both the ones with a known interaction and the ones without. Select any drug for the full detail.

2Major
1,110Moderate
25Minor
1,692No known interaction
2 Major 1,110 Moderate 25 Minor 1,692 No interaction
Major

2 interactions

Moderate

1,110 interactions

Showing 60 of 1,110 moderate interactions — see all 1,110 on the Cannabis page.

Minor

25 interactions

No interaction 1,692 drugs checked — show the list

We also checked Cannabis against these medications and found no known interaction in our sources. Open any page to confirm.

Showing the 60 most looked-up of 1,692 medications checked with no known interaction — see the full Cannabis list.

See the full Cannabis interactions page
See every supplement checked against Methylphenidate, ranked by severity
Evidence & sources

Cannabis References

The 246 references that drive our Cannabis 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. Robbers JE, Speedie MK, Tyler VE. Pharmacognosy and Pharmacobiotechnology. Baltimore, MD: Williams & Wilkins, 1996.
  2. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.
  3. Johnson MA, Robin P, Smith RP, Morrisona D, et al. Large lung bullae in marijuana smokers. Thorax 2000;55:340-2.. PubMed
  4. Hebel SK, ed. Drug Facts and Comparisons. 52nd ed. St. Louis: Facts and Comparisons, 1998.
  5. Solowij N, Stephens RS, Roffman RA, et al. Cognitive functioning of long-term heavy cannabis users seeking treatment. JAMA 2002;287:1123-31.. PubMed
  6. Marinol Prescribing Information. Solvay Pharmaceuticals, Rev March 2008. Available at: http://www.solvaypharmaceuticals-us.com/static/wma/pdf/1/3/2/5/0/004InsertText500012RevMar2008.pdf (Accessed 2 July 2009).
  7. Yamreudeewong W, Wong HK, Brausch LM, Pulley KR. Probable interaction between warfarin and marijuana smoking. Ann Pharmacother 2009;43:1347-53. PubMed
  8. Ware MA, Wang T, Shapiro S, et al. Smoked cannabis for chronic neuropathic pain: a randomized controlled trial. CMAJ 2010;182:e694-e701. PubMed
  9. Pellinen, P., Honkakoski, P., Stenback, F., Niemitz, M., Alhava, E., Pelkonen, O., Lang, M. A., and Pasanen, M. Cocaine N-demethylation and the metabolism-related hepatotoxicity can be prevented by cytochrome P450 3A inhibitors. Eur.J Pharmacol 1-3-1994;2 PubMed
  10. Astley, S. J. and Little, R. E. Maternal marijuana use during lactation and infant development at one year. Neurotoxicol.Teratol. 1990;12(2):161-168. PubMed
  11. Levy, R., Schurr, A., Nathan, I., Dvilanski, A., and Livne, A. Impairment of ADP-induced platelet aggregation by hashish components. Thromb.Haemost. 12-31-1976;36(3):634-640. DOI
  12. Payne, R. J. and Brand, S. N. The toxicity of intravenously used marihuana. JAMA 7-28-1975;233(4):351-354. DOI
  13. Sheweita, S. A. Narcotic drugs change the expression of cytochrome P450 2E1 and 2C6 and other activities of carcinogen-metabolizing enzymes in the liver of male mice. Toxicology 9-30-2003;191(2-3):133-142. PubMed
  14. Rog, D. J., Nurmikko, T. J., Friede, T., and Young, C. A. Randomized, controlled trial of cannabis-based medicine in central pain in multiple sclerosis. Neurology 9-27-2005;65(6):812-819. PubMed
  15. Perras, C. Sativex for the management of multiple sclerosis symptoms. Issues Emerg.Health Technol. 2005;(72):1-4.

Medication overviews come from MedlinePlus (NIH); supplement label data from the NIH Dietary Supplement Label Database. Content is written and reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.

Pharmacist Counseling Corner

Taking Cannabis and Methylphenidate Together: Common Questions

Is it safe to take Cannabis with Methylphenidate?
We do not list a known interaction between Cannabis and Methylphenidate. That does not guarantee the combination is risk-free, so confirm with your pharmacist or doctor — especially if you take other medications or have a health condition.
Do Cannabis and Methylphenidate have any of the same side effects?
Yes — our sources link each of them separately to 10 of the same effects. That is not an interaction: neither changes how your body handles the other. It does mean that if one of those effects turns up, it can be harder to tell which one is behind it. They are listed on this page with the source behind each.
How was the Cannabis and Methylphenidate combination checked?
Interactions in our licensed database are recorded against drug classes. Methylphenidate is filed under 6 classifications, and Cannabis has documented interactions with 18 drug classes — none of Methylphenidate's classifications are among them. A medication can belong to classes beyond those recorded in our dataset, so this describes how the check was run rather than guaranteeing safety.
Does Cannabis interact with any other medications?
Yes. Cannabis has 1,137 documented drug interactions in our database — Methylphenidate is simply not one of them. If you take anything else, it is worth checking each one; they are all listed on this page.
Does Methylphenidate interact with any supplements?
Yes. Methylphenidate has documented interactions with 85 supplements in our database — Cannabis is not one of them. The Methylphenidate interaction page linked on this page lists every one, ranked by severity.

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

Where next

Keep Exploring

Cannabis monograph Uses, safety profile, and every drug interaction in one place Methylphenidate drug information The full plain-English guide to this medication Methylphenidate supplement interactions Every supplement checked against Methylphenidate, ranked by severity Supplement interaction checker Check any supplement or product against your medications Browse medications A–Z Every drug we’ve checked against herbs & supplements References The 246 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Methylphenidate and Cannabis?

Our pharmacists answer your medication & supplement questions — free.

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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.