Abhorrence is a feeling of hate and disgust. It is not related to any particular psychological disease. But instead it is a symptoms which many people suffer from and it is without any known reason.
Few homoeopathic medicine to be thought of in the management of abhorrence are:
Pulsatilla: disgusted at everything. Very irritable. Touchy, feels slightedor fears slight. Morbid dread of the opposite sex.
Sulphur: critical; thinks himself better. Eventually disgust for others. Dislikes anyone near him. Aversion to dirt from others. Dont see there own dirt
Others: Merc Sol., Phosphorus, Mezereum, Arsenic alb., etc .