Which of the following are common causes of diarrhea in children
Question : Which of the following are common causes of diarrhea in children? (Select all that apply)
A. Rotavirus infection
B. Bacterial infection (e.g., Escherichia coli)
C. Lactose intolerance
D. Overuse of antibiotics
Answer: ABCD
Explanation: Common causes of diarrhea in children include viral infections (rotavirus is the most common), bacterial infections (Escherichia coli, Salmonella), dietary factors (lactose intolerance, food allergy), and iatrogenic factors (overuse of antibiotics leading to intestinal flora imbalance). All four options are common causes. Therefore, the correct answers are ABCD.

