As White Shark stated, it is not a good idea to try Antibiotics in young children unless it is necessary. On the Dr. oz show, it referenced a study that showed young children who took Antibiotics became overweight as older children. It did not state how long the children took the Antibiotics . Also, 1000mg of Chamomile pills 2x/day are just as effective as anti-anxiety medications without the side effects or addiction. If you want to see if anxiety might be the cause, you can try Chamomile. But, look into what is safe for children to take or if there are any allergies to it.