My 14 year old son has been complaining of Bodyaches and headache since last 3 years. He also complains of stomach ache and heavy chest many times. He gets low grade fever below 100 every now and then. He got typhoid twice in past 6-7 years. We have got all body tests done. All are ok. Plz guide which doctor to consult for him. He had hydronephrosis which got treated n sorted from pgi chandigarh, in his infancy.