Bethanechol and Olanzapine and fluoxetine interaction
Bethanechol and Olanzapine and fluoxetine: the Olanzapine and fluoxetine prescribing label mentions this combination without an instruction to avoid it or change the dose.
Mentioned, no instruction to avoid. Worth knowing; rarely a reason to change anything on its own.
What the FDA labels say
From the Olanzapine and fluoxetine label · effective 2026-03-31
In premarketing clinical studies, olanzapine and fluoxetine capsules were associated with constipation, dry mouth, and tachycardia, all adverse reactions possibly related to cholinergic antagonism.
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
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.