My son is 13 yrs but only 135 cm tall should I see a child endocrinologist

For any age group a balanced diet is a must. Most people try to look for alterantes for the source of protien which can be replaced by pulses or soya. Also try to add fruits to your diet as well. 

Viral fever duration for most viral infections is 3-5 days , in few cases it may take 14 days

The most common symptoms of Dengue are high fever, joint pains, headaches, skin rashes and diziness. There is no cure per say, it takes its own time, but the symptoms can be managed. Tke pain killers for the pain and consume large amounts of fluids like ORS and water. Get good amount of rest. To get....