This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Raltegravir can cause ? 
Select and explain. 
A. Hypokalemia, B. Hypocalcemia, C. Hyperkalemia, D. Hypercalcemia
C: Hyperkalemia
Answer: C: Hyperkalemia 
Explanation: Ans. is 'c' i.e., Hyperkalemia Myopathy (muscle pain, tiredness) and rhabdomyolysis. Skin reactions. Allergic reactions. Liver problems. Immune reconstitution inflammatory syndrome (IRIS). Nonspecific : nausea, vomiting, diarrhea, headache. No textbook has mentioned any electrolyte abnormality as a side effect of raltegravir. So, I had to find the answer of this question indirectly. Raltegravir can cause rhabdomyolysis, in which there is hyperkalemia.