Q. In patients with BPH undergoing cataract surgery, which drug should be withheld until the eye surgery has been done?

A. Prazosin

B. Terazosin

C. Tamsulosin

D. Phenoxybenzamine

Answer C

1. Prazosin is not the best answer.

2. Terazosin is not the best answer.

3. When taken during cataract surgery, tamsulosin has been associated with a complication called floppy iris syndrome which is characterized by iris billowing and prolapse.

4. Phenoxybenzamine is not the best answer.