he completed 7year but he has no growth according his age height and health and he ask me all time stomach ache

A. the most common cause would be due to nutritional deficiency there is a possibility that your child is having nutritional deficiency which is causing such changesg in the child so give plenty of waterf and seasonal fruits and vegetables and meet your doctor who will tell you whether any health supplements in the form of iron calcium vitamin d or multi vitamin is required or not