Medication·Interactions·Reviewed June 9, 2026
Methylphenidate interactions.
Methylphenidate has 5 documented interactions in the NutriStack database, including 2 flagged to avoid or as a serious conflict. The full interaction list is below. None of this is a substitute for your prescriber's advice.
Methylphenidate at a glance.
A quick, data-grounded summary. The full tables are below.
Methylphenidate has 5 documented interactions in the NutriStack database, including 2 flagged to avoid or as a serious conflict. The full interaction list is below. None of this is a substitute for your prescriber's advice.
Substances that interact with methylphenidate.
Every supplement and medication in the NutriStack database with a documented interaction with this drug, highest-severity first. Open any pair for the mechanism and sources.
| Substance | Interaction | What happens |
|---|---|---|
| Cocaine | Contraindicated | Methylphenidate and cocaine both act as stimulant monoamine transporter blockers. A small controlled study did not find clinically significant... details → |
| MDMA | Contraindicated | Methylphenidate and MDMA have a documented human pharmacodynamic interaction. In a controlled crossover study, the combination did not add desired... details → |
| Alcohol | Caution | Alcohol changes methylphenidate handling and can form ethylphenidate, an active transesterification metabolite. Ethanol can increase early... details → |
| Nicotine | Caution | Nicotine can add sympathetic stimulation to methylphenidate and may increase the likelihood of repeated co-use. The combination can worsen... |
| Melatonin | Synergy | Melatonin may help counteract the insomnia commonly caused by stimulant medications like methylphenidate. Research supports the use of melatonin for... details → |
The full methylphenidate profile.
Uses, typical dosing, side effects, and the cited evidence for this medication.
Common methylphenidate questions.
Quick answers drawn from the tables above.
What interacts with Methylphenidate?
In the NutriStack database, Methylphenidate has 5 documented interactions. The most notable include Cocaine, MDMA, Alcohol, Nicotine, and Melatonin. Check any specific combination before taking it and confirm with your prescriber.
Which substances should I avoid with Methylphenidate?
Methylphenidate is flagged against 2 substances in the database, including Cocaine and MDMA. These pairings carry a higher risk and should be reviewed with a clinician before combining.
Is it safe to take Cocaine with Methylphenidate?
NutriStack classifies the Cocaine and Methylphenidate pairing as contraindicated: Methylphenidate and cocaine both act as stimulant monoamine transporter blockers. A small controlled study did not find clinically significant physiologic toxicity at... Do not use cocaine while taking methylphenidate. Do not take extra methylphenidate to counter cocaine withdrawal or fatigue. Seek emergency care for... Always confirm with your prescriber.
Check your whole stack
See how methylphenidate fits your supplements.
NutriStack screens your full routine for interactions and depletions, and updates the moment you change it.