Sore throats are very common in children. They are usually caused by a virus. The child will normally also have a runny rose, cough, sore ears, a fever, be tired and be off their food. It is more likely to be strep throat if the child is older than 3 years and if they have swollen glands in the neck, swollen, red tonsils with white spots, a rash and vomiting. If you’re not sure about your child’s symptoms, or you are worried, see your doctor.