system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A a1 selective adrenergic blocking agents used in benign prostatic hypertrophy is
assistant
The correct answer is  D. i.e. (Tamsulosin) (135- KDT 6th) (83- Lippincott's 3rd)* Prazosi, Terazosin, Doxazosin are useful in the treatment of hypertension. Tamsulosin is indicated for the treatment of benign prostatic hypertrophy (83- Lippincott's 3rd)* According to KDT all are used in BPH. but Tamsulosin is best answer of choice* TAMSULOSIN - is Uroselective aIA/ a1D blocker** better tolerated less side effects* Selective b1 antagonist is - Atenolol*** Selective b2 antagonist is - Butoxamine**