Buspirone and Tranylcypromine interaction
Buspirone and Tranylcypromine: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
From the Buspirone (Buspirone Hydrochloride) label · effective 2026-03-18
The use of monoamine oxidase inhibitors (MAOIs) intended to treat depression with buspirone or within 14 days of stopping treatment with buspirone is contraindicated because of an increased risk of serotonin syndrome and/or elevated blood pressure.
The use of buspirone within 14 days of stopping an MAOI intended to treat depression is also contraindicated.
Starting buspirone in a patient who is being treated with reversible MAOIs such as linezolid or intravenous methylene blue is also contraindicated because of an increased risk of serotonin syndrome.
Serotonin Syndrome The development of a potentially life-threatening serotonin syndrome has been reported with SNRIs SSRIs, and other serotonergic drugs, including buspirone, alone but particularly with concomitant use of other serotonergic drugs (including triptans), with drugs that impair metabolism of serotonin (in particular, MAOIs, including reversible MAOIs…
The concomitant use of buspirone with MAOIs intended to treat depression is contraindicated.
From the Tranylcypromine (Tranylcypromine Sulfate) label · effective 2025-07-25
These medicines are in some cold, hay fever or weight-loss medicines. sympathomimetic herbal medicines or dietary supplements antihistamines (allergy medicines) triptans buspirone carbamazepine dextromethorphan dopamine hydroxytryptophan and tryptophan levodopa and methyldopa meperidine rasagline resperine s-adenosyl-L-methionine (SAM-e) tapentadol tetrabenazin…
…vasoconstrictors such as pseudoephedrine, phenylephrine, and ephedrine; or dietary supplements that contain sympathomimetics) Triptans Individual Drugs (not included in the above classes) buspirone levodopa s-adenosyl-L-methionine (SAM-e) carbamazepine meperidine tapentadol cyclobenzaprine methyldopa tetrabenazine dextromethorphan milnacipran tryptophan dopamine rasagiline…
…Clinical Comment on Concomitant Use a Predominant Effect/Risk [Hypertensive Reaction (HR) b or Serotonin Syndrome (SS) c ] Altretamine Use with caution d Orthostatic hypotension e Buspirone Contraindicated a HR Carbamazepine Contraindicated a SS Chlorpromazine Use with caution d Hypotensive effects e Cyclobenzaprine Contraindicated a SS Dextromethorphan Contraindicated…
Serotonin Syndrome The development of a potentially life-threatening serotonin syndrome has been reported with MAOIs when used concomitantly with other serotonergic drugs.
The concomitant use, or use in rapid succession, of tranylcypromine sulfate tablets with other serotonergic drugs is contraindicated.
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Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.