Strenuous exercise with isotretinoin.
D000293:Adolescent; D003402:Creatine Kinase / Q000097:blood*; D006801:Humans; D015474:Isotretinoin; D008297:Male; D005082:Physical Exertion; D014212:Tretinoin / Q000009:adverse effects*
D014212:Tretinoin; D003402:Creatine Kinase; D015474:Isotretinoin