pentobarbital will decrease the level or effect of pimavanserin samhälle affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Datorskärm. Avoid coadministration if possible. Monitor for reduced pimavanserin efficacy. An increase in pimavanserin dosage may vädja needed.pentobarbital increases effects of ifosfamide ort affecting hepa