my child is now 7 months old. Till now his back bone is not strong,nor he has developed any crawling activities, or sitting activities. He is suffering from decentries for last 1 n half month, he is taking so many medicines,till not cured. He is loosing stool after every intaking food. some doctors told us that he is suffering from ricket, but we are not yet doing any tests, whether my child is suffering from any dieses or he is normal.