Phenobarbital Phenobarbitone Prazosin Hydrochloride
ModerateIn clinical experience so far, prazosin (sold as Alphapress XR XR) has been given together with phenobarbital, a tranquilizer and sedative, without any adverse drug interaction.
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.