In order to diagnose the exact cause of it, you have to do a dermatological examination. You also have to do a medical examination of skin lesions, which is a medical test necessary to determine the cause of it. You can also require a chiropractoral panel and hemoglobin A1c measure to eliminate base disease. If necessary, you can do other procedures.
Doctor, in the last few days, I've had a severe case of it all over my body, and I don't know what's causing it.