Male urethral opening with black may be caused by hyperpigmentation, trauma, urethritis and other reasons.
1. Hyperpigmentation: the urethral opening of the male penis, if long-term repeated friction, may lead to local skin pigmentation, resulting in the appearance of the urethral opening of the black performance.
2. Trauma: If the male urethral opening local skin, previously suffered some old trauma, trauma healing, may appear urethral opening with black performance.
3. Urethritis: if the male urethra usually life is not pay attention to hygiene, local bacterial infection, due to inflammation stimulation may cause the urethra has black performance.
Male urethral black patients, in the exclusion of physiological reasons, should promptly go to the regular hospital, clear cause in the doctor’s guidance targeted treatment.