Prazosin hydrochloride capsules have been administered without any adverse drug interaction in limited clinical experience to date with the following 1 cardiac glycosides-digitalis and digoxin, 2 hypoglycemics-insulin, chlorpropamide, phenformin, tolazamide, and tolbutamide, 3 tranquilizers and sedatives-chlordiazepoxide, diazepam, and phenobarbital, 4 antigout-allopurinol, colchicine, and probenecid, 5 antiarrhythmics-procainamide, propranolol see warnings however , and quinidine, and 6 analgesics, antipyretics and anti-inflammatories-propoxyphene, aspirin, indomethacin, and phenylbutazone.
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