This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Pharmacology), Subject name: Pharmacology
Thickening of eyelashes is side effect of which: 
Select and explain. 
A. Brimonidine, B. Propranolol, C. Latanoprost, D. Acetazolamide
C: Latanoprost
Answer: C: Latanoprost 
Explanation: Ans. C. LatanoprostBrimonidine - lid retraction, propranolol-headache, latanoprost-thickening of eyelash, acetazolamide- hypokalemia.