Drug interactions
Famotidine + Methylphenidate
Severity: Minor
Famotidine and Methylphenidate: 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
Some extended-release methylphenidate products rely on pH-dependent release, so acid suppressants may change how quickly the drug is released. This could alter onset or duration of effect.
What this interaction means in plain words
Famotidine and Methylphenidate have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Famotidine belongs to Gastrointestinal Tract; Methylphenidate belongs to Central Nervous System.
Why it happens
Higher gastric pH may alter dissolution of pH-dependent extended-release methylphenidate formulations.
What to do
If using a pH-dependent extended-release product, monitor clinical response and consider an alternative formulation if effect is erratic.
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 Methylphenidate
- Isocarboxazid + Methylphenidate Contraindicated
- Linezolid + Methylphenidate Contraindicated
- Methylphenidate + Phenelzine Contraindicated
- Methylphenidate + Procarbazine Contraindicated
- Methylphenidate + Rasagiline Contraindicated
- Methylphenidate + Safinamide Contraindicated
Frequently asked questions
Can I take Famotidine with Methylphenidate?
MediHelp rates the interaction as minor. Famotidine and Methylphenidate have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Some extended-release methylphenidate products rely on pH-dependent release, so acid suppressants may change how quickly the drug is released. This could alter onset or duration of effect.
How serious is the interaction between Famotidine and Methylphenidate?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: If using a pH-dependent extended-release product, monitor clinical response and consider an alternative formulation if effect is erratic.
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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