Drug interactions
Gepirone + Methamphetamine
Severity: Major
Gepirone and Methamphetamine: major 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
Methamphetamine increases synaptic serotonin as well as dopamine and norepinephrine, and gepirone is a serotonergic antidepressant. Combined use can raise the risk of serotonin syndrome, which presents with agitation, tremor, hyperthermia, clonus and autonomic instability.
What this interaction means in plain words
Gepirone and Methamphetamine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Gepirone belongs to Central Nervous System; Methamphetamine belongs to Central Nervous System.
Why it happens
Additive serotonergic effects (serotonin release by methamphetamine plus 5-HT1A agonism by gepirone).
What to do
Avoid the combination where possible, and if it is used, monitor closely for signs of serotonin syndrome, especially after dose changes. Stop one or both drugs if symptoms appear.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Methamphetamine
- Isocarboxazid + Methamphetamine Contraindicated
- Linezolid + Methamphetamine Contraindicated
- Methamphetamine + Phenelzine Contraindicated
- Methamphetamine + Procarbazine Contraindicated
- Methamphetamine + Rasagiline Contraindicated
- Methamphetamine + Safinamide Contraindicated
Other interactions of Gepirone
- Clarithromycin + Gepirone Contraindicated
- Gepirone + Isocarboxazid Contraindicated
- Gepirone + Itraconazole Contraindicated
- Gepirone + Ketoconazole Contraindicated
- Gepirone + Linezolid Contraindicated
- Gepirone + Phenelzine Contraindicated
Frequently asked questions
Can I take Gepirone with Methamphetamine?
MediHelp rates the interaction as major. Gepirone and Methamphetamine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Methamphetamine increases synaptic serotonin as well as dopamine and norepinephrine, and gepirone is a serotonergic antidepressant. Combined use can raise the risk of serotonin syndrome, which presents with agitation, tremor, hyperthermia, clonus and autonomic instability.
How serious is the interaction between Gepirone and Methamphetamine?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination where possible, and if it is used, monitor closely for signs of serotonin syndrome, especially after dose changes. Stop one or both drugs if symptoms appear.
What other medicines interact with Methamphetamine?
MediHelp also lists interactions of Methamphetamine with, for example, Isocarboxazid, Linezolid, Phenelzine. The full list is on the Methamphetamine page.
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