This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Photosensitive Disorders, Subject name: Skin
Which of the following drug is preferred for skin rash in LE? 
Select and explain. 
A. Steroids, B. Aspirin, C. Chloroquine, D. Azathioprine
C: Chloroquine
Answer: C: Chloroquine 
Explanation: Ans. c. ChloroquineChloroquine (Antimalarial drug) act as a systemic sunscreen by providing photoprotection. So used as prophylactic agent in LE.