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Drug interactions

Desvenlafaxine + Same

Severity: Moderate

Desvenlafaxine and Same: moderate 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

S-adenosylmethionine (SAMe) may have serotonergic activity, and combination with serotonergic antidepressants has been linked to serotonin syndrome in case reports. Evidence is limited.

What this interaction means in plain words

Desvenlafaxine and Same can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Evidence level: Low

Why it happens

Possible additive serotonergic effects, as SAMe may raise monoamine neurotransmitter levels.

What to do

Advise patients to avoid SAMe unless supervised and monitor for serotonin toxicity. Stop SAMe if agitation, tremor, sweating or fever develop.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Desvenlafaxine with Same?

MediHelp rates the interaction as moderate. Desvenlafaxine and Same can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. S-adenosylmethionine (SAMe) may have serotonergic activity, and combination with serotonergic antidepressants has been linked to serotonin syndrome in case reports. Evidence is limited.

How serious is the interaction between Desvenlafaxine and Same?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise patients to avoid SAMe unless supervised and monitor for serotonin toxicity. Stop SAMe if agitation, tremor, sweating or fever develop.

What other medicines interact with Desvenlafaxine?

MediHelp also lists interactions of Desvenlafaxine with, for example, Isocarboxazid, Methylene blue, Phenelzine. The full list is on the Desvenlafaxine page.

Full monographs, dosing and an interaction checker in the MediHelp app

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