My 2.5 year old grandson has had episodes of vomiting and diarrhea since he started solid foods. The episodes last about 8-10 days of daily vomiting (1-3 times) and diarrhea once or twice a day. After the episodes clear, they reappear somewhat randomly, about every 6-8 weeks. After the last episode in early Dec, he was put on a gluten free diet and symptoms...