Cocaine or perhaps antihistamine abuse.
Goldin
K
K
D000328:Adult; D002637:Chest Pain / Q000139:chemically induced*; D003042:Cocaine; D004155:Diphenhydramine / Q000097:blood; D006801:Humans; D008297:Male; D019966:Substance-Related Disorders / Q000150:complications*
D004155:Diphenhydramine; D003042:Cocaine