An inner thigh rash is a skin irritation that develops on the inner portion of your upper legs or groin area. Warmth, moisture, friction with clothing, and skin rubbing on skin (chafing ...

Scrotal eczema can cause itchiness in the crotch area. The exact cause is unclear ... With jock itch, the rash starts in the groin, where the torso and legs meet. With scrotal eczema, it begins ...

Avoiding irritating body products and following a proper shaving routine can often help prevent and treat an itchy pubic area ... that causes an itchy rash on the groin or buttocks.