<prompt> A a1 selective adrenergic blocking agents used in benign prostatic hypertrophy isPrazosinTerazosinDoxazosinTamsulosin  <response>: D. i.e. Tamsulosin 135- KDT 6th 83- Lippincotts 3rd Prazosi, Terazosin, Doxazosin are useful in the treatment of hypertension. Tamsulosin is indicated for the treatment of benign prostatic hypertrophy 83- Lippincotts 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 