Some Cases of OCD Linked to Earlier Infection
NIMH studies of obsessive-compulsive disorder in young people have shown that the experience of having a streptococcal bacterial infection may lead to the development of crippling obsessions and compulsions. It appears that a genetic vulnerability, coupled with rheumatic fever, is associated with some cases of OCD. Preliminary evidence indicates that special treatment for the infection improves or cures the OCD.