Masturbation once a day leads to bumps on the glans may be excessive masturbation led to skin damage, may also be caused by infection. As a result of daily masturbation, the foreskin and glans frequent repeated prolonged friction, may lead to skin damage, and the appearance of smaller pimples, and even more serious cases can appear skin edema ulceration, this time must be timely to stop masturbation, to ensure that a good habit of life, to maintain local cleanliness. Excessive masturbation may also lead to episodes of glans circumcision, so that small bumps, ulcers and so on in the glans, this type of infection generally belongs to superficial glans. Of course, there is also a possibility that the bumps on the glans are not directly related to masturbation. If you find bumps on the glans, please consult with a regular hospital in time, and actively treat them, and avoid excessive masturbation at the same time.