azelastine will raise the level or result of tinidazole by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Keep an eye on.azelastine will raise the degree or impact of lonafarnib by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. If coadministration of lonafarnib (a delicate CYP3A substrate) wi