Symptom Checker - Fever and Rash 

​Differential diagnosis of fever and rash are :
-allergic vasculitis 
-erythema multifrome 
-dermatomyositis 
-systemic lupus erythematosus 
-erythema nodosum 
-erythema marginatum 
-herpes zoster
-pityriasis rosea
-serum sickness
-reaction to penicillin 
-reaction to sulfonamides
-reaction to thiazides
-reaction to allopurinol
-reaction to anticovulsant 
-measles 
-rubella
-varicella
-erythema infectiosum 
-roseola
-enterovirus infection
-viral hepatitis 
-infectious mononucleosis 
-HIV infection 
-meningoccemia
-staphylococcemia
-scarlet fever
-typhoid fever
-Rocky Mountain Spotted fever 
-lyme disese
-secondary syphilis 
-bacterial endocarditis
-babesiosis 
-brucellosis
-listeriosis