Urticaria as a sign of viral hepatitis.
D000208:Acute Disease; D000293:Adolescent; D000328:Adult; D004155:Diphenhydramine / Q000627:therapeutic use; D006506:Hepatitis A / Q000150:complications* / Q000201:enzymology; D006509:Hepatitis B / Q000150:complications; D003932:Heroin; D006801:Humans; D008099:Liver / Q000201:enzymology; D008297:Male; D019966:Substance-Related Disorders / Q000150:complications; D014581:Urticaria / Q000188:drug therapy / Q000209:etiology*
D003932:Heroin; D004155:Diphenhydramine