Pharmacology Miscellaneous (Pharmacology) ceabb042 Thickening of eyelashes is side effect of which: A Brimonidine B Propranolol C Latanoprost D Acetazolamide High-Yield Explanation Ans. C. LatanoprostBrimonidine - lid retraction, propranolol-headache, latanoprost-thickening of eyelash, acetazolamide- hypokalemia.