Drug interactions
Galantamine + Rifapentine
Severity: Minor
Galantamine and Rifapentine: 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
Rifapentine induces CYP3A4 and may lower galantamine exposure, potentially reducing its cognitive benefit. The effect is expected to be modest and is rarely clinically important.
What this interaction means in plain words
Galantamine and Rifapentine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Galantamine belongs to Central Nervous System; Rifapentine belongs to Anti Bacterial.
Why it happens
Rifapentine induces CYP3A4, increasing the metabolic clearance of galantamine.
What to do
No routine dose change is needed; reassess cognitive response and cholinergic effects if rifapentine is started or stopped during long-term treatment.
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 Galantamine
- Galantamine + Memantine-donepezil Major
- Galantamine + Physostigmine Major
- Galantamine + Ponesimod Major
- Galantamine + Rivastigmine Major
- Amifampridine + Galantamine Moderate
- Amiodarone + Galantamine Moderate
Other interactions of Rifapentine
- Ledipasvir-sofosbuvir + Rifapentine Contraindicated
- Lorlatinib + Rifapentine Contraindicated
- Lurasidone + Rifapentine Contraindicated
- Ranolazine + Rifapentine Contraindicated
- Rifapentine + Sofosbuvir-velpatasvir Contraindicated
- Rifapentine + Sofosbuvir-velpatasvir-voxilaprevir Contraindicated
Frequently asked questions
Can I take Galantamine with Rifapentine?
MediHelp rates the interaction as minor. Galantamine and Rifapentine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Rifapentine induces CYP3A4 and may lower galantamine exposure, potentially reducing its cognitive benefit. The effect is expected to be modest and is rarely clinically important.
How serious is the interaction between Galantamine and Rifapentine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine dose change is needed; reassess cognitive response and cholinergic effects if rifapentine is started or stopped during long-term treatment.
What other medicines interact with Galantamine?
MediHelp also lists interactions of Galantamine with, for example, Memantine-donepezil, Physostigmine, Ponesimod. The full list is on the Galantamine page.
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