Peridol Haloperidol Rifampicin + Isoniazid
ModerateHaloperidol is listed in this leaflet among the medicines that Rifampicin + Isoniazid can interact with. The others in the list are ciprofloxacin, oral hypoglycemic agents (sulfonylureas), levothyroxine, methadone, narcotic analgesics, progestins, quinine, tacrolimus, theophylline and TCAs.
These medicines are often taken together with some care. Your doctor may change a dose, space them apart or check on you more often. Make sure your doctor and pharmacist know you take both.