<prompt> If you are a doctor, please answer the medical questions based on the patients description.i have nocturnal rash in my body for 2 months ! they re just at night not during a day ! plz help me !? it s necessary to check liver anzyme or anything else ?! i m so worry about this , also i m student in medicine too  <response>: Hi Shaghayegh. Welcome to Chat Doctor. As u says youre student of medicine;Kindly provide further Details about regional location of rash, is it also with itching ? Are u Allergic to any Chat Doctor. Sometime parasite may get aggravated at night presenting as a rash. Please elaborate further details about rash associated aggravating receiving factor so that I can help u in better manner. Get Well Soon : Always Happy to Solve your Query : Take Care : 