Question: how much amoxicillin should a child take for strep throat?
Answer: Adults, teenagers, and children weighing 40 kilograms (kg) or more—250 to 500 milligrams (mg) every 8 hours, or 500 to 875 mg every 12 hours.
Children and infants older than 3 months of age weighing less than 40 kg—Dose is based on body weight and must be determined by your doctor.