Bethanechol and Olanzapine interaction
Bethanechol and Olanzapine: the Olanzapine prescribing label mentions this combination without an instruction to avoid it or change the dose.
Minor
Mentioned, no instruction to avoid. Worth knowing; rarely a reason to change anything on its own.
What the FDA labels say
From the Olanzapine (Zyprexa) label · effective 2026-02-11
Minor
In premarketing clinical trials, Zyprexa was 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.