Possible causes of itchy testicles include: Chafing or irritation Dry skin around your genital area is common if you walk around in dry heat. Exercising for long periods of time can also cause your skin to get irritated or chafed. In some cases, the skin can be rubbed away enough to cause bleeding. Some common signs of chafing and irritation include: skin feeling raw to the touch redness or rash on the skin surface-level cuts or openings in your skin Fungal infection Many fungi are almost invisible to the naked eye. Fungi usually live in giant colonies that are also.... View detail why are my balls itchy after sex