Tell your doctor about all your other medicines, especially:
propranolol;
any other blood pressure medication;
a diuretic or "water pill"; or
sildenafil (Viagra) and other erectile dysfunction medicines.
This list is not complete. Other drugs may affect prazosin, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.
 Prazosin drug interactions (more detail)
Does Prazosin interact with my other drugs?
Enter other medications to view a detailed report.
Drug name
Add a drug to check interactions
Add
