Alpha 1 blocker without any effect on blood pressure is?: (A) Tamsulosin, (B) Prazosin, (C) Oxazocin, (D) Terazocin
Answer is A. ANSWER: (A) TamsulosinREF: KDT 7th ed p. 135, Goodman Gillmans 11th ed p. 173Tamsulosin, a benzenesulfonamide, is an al receptor antagonist with some selectivity fora1A and a1D subtypes, favoring a1A blockade in prostate. Tamsulosin is efficacious in the treatment of BPH with little effect on blood pressure,