Itching on the body and head may be due to urticaria, drug rash, fungal infections, pruritis, and other causes of 1. Urticaria: limited edema caused by a temporary increase in vascular permeability of the skin’s mucous membranes may lead to symptoms of itching on the body and head. 2. Drug rash: drug allergic reactions caused by medication can also lead to itching on the body and head. 3. Fungal infections: fungal infections caused by ringworm, tinea capitis and other diseases, can also be manifested as itchy body and head. 4. Pruritus: the etiology is complex, and mental factors, chronic physical diseases, as well as drug stimulation, work environment, living habits, etc., may lead to itchy body and head. Itchy body and head, there may be other reasons, need to go to the hospital in time to check, clear cause.