Drug interactions
Dexmethylphenidate + Famotidine
Severity: Minor
Dexmethylphenidate and Famotidine: minor interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Raised gastric pH can alter the release of some extended-release dexmethylphenidate products, potentially increasing drug release and stimulant effects.
What this interaction means in plain words
Dexmethylphenidate and Famotidine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Dexmethylphenidate belongs to Central Nervous System; Famotidine belongs to Gastrointestinal Tract.
Why it happens
Higher gastric pH changes the pH-dependent release of certain extended-release dexmethylphenidate formulations.
What to do
Monitor heart rate, blood pressure and stimulant adverse effects with extended-release products, and adjust the dose if needed.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Famotidine
Other interactions of Dexmethylphenidate
- Dexmethylphenidate + Isocarboxazid Contraindicated
- Dexmethylphenidate + Linezolid Contraindicated
- Dexmethylphenidate + Phenelzine Contraindicated
- Dexmethylphenidate + Procarbazine Contraindicated
- Dexmethylphenidate + Rasagiline Contraindicated
- Dexmethylphenidate + Safinamide Contraindicated
Frequently asked questions
Can I take Dexmethylphenidate with Famotidine?
MediHelp rates the interaction as minor. Dexmethylphenidate and Famotidine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Raised gastric pH can alter the release of some extended-release dexmethylphenidate products, potentially increasing drug release and stimulant effects.
How serious is the interaction between Dexmethylphenidate and Famotidine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor heart rate, blood pressure and stimulant adverse effects with extended-release products, and adjust the dose if needed.
What other medicines interact with Famotidine?
MediHelp also lists interactions of Famotidine with, for example, Atazanavir, Dasatinib, Infigratinib. The full list is on the Famotidine page.
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