Healthline lists several pictures of rashes in the groin and their possible causes. A groin rash is a symptom that occurs in the male and female genital areas and results from various health conditions, explains Healthline.
Rashes that occur without any symptoms usually clear up with the use of home treatment remedies, says WebMD. A common cause of groin rashes is contact dermatitis, which occurs when the skin is in contact with a substance that causes irritation or allergic reactions. Other causes of rashes in the genital area include pubic lice, yeast infection, jock itch, scabies and sexually transmitted infections.