Obsessive compulsive disorder is a psychological disorder. In it patient has some obsessive thoughts due to which he has repetitive behaviour of doing some thing repeatedly. This repeated behaviour affects his life in every sphere whether it is job or relationship or childhood life. There are some Homoeopathic medicines that specifically treats obsessive compulsive disorder. For example , Arsenicum album treats obsession of doing perfect cleaning many times in day. Caracinosin treats obsession of perfection of order of things. Like that there are around 10 Homoeopathic medicines that specifically treats obsessive compulsive disorder. Lets discuss each of them in detail. Image Source - https://commons.m.wikimedia.org/wiki/File:Obsessive-Compulsive_Disorder.png