Should i be worried about my child's growth and what should i do? i am worried about my child's growth. when he was three, he was 39 inches (or about the 85th percentile). he is currently six and a half and only 45 inches (or below the 25th percentile).

First : First of all, you need to be heard. If your doctor is not listening to your concerns then you need to bring to his/her attention. If that does not work find another doctor for your child. Your concerns are valid. A decrease in the growth cure from about 85th percentile to 25th is concerning. In light of this and the family history you should ask to be referred to an endocrinologist (hormone doctor) to evaluate your son. Also a nutritionist can be consulted to make sure your son's diet is appropriate. His history of asthma and allergies should not have caused such a significant drop in his growth curve. Be an advocate for your son, demand the best care. All the best.