The swollen foreskin may be caused by overstimulation, glans phimosis, and allergic factors.
1. Overstimulation: excessive masturbation leads to damage to the foreskin area, it will cause swelling of the foreskin, local skin redness, usually mild swelling, should be reasonable rest, and quit masturbation, also prohibit sex, can be recovered on their own.
2. glans penis: may be related to fungal infection or bacterial infection, due to the presence of localized infection of the foreskin, the generation of inflammatory substances, inflammatory substances on the foreskin local damage, can lead to redness and swelling of the foreskin, accompanied by itching, pain and other symptoms, the infection continues to aggravate, but also cause urethritis, prostatitis and other complications.
3. Allergic factors: such as the use of poor quality condoms, or some poor quality toiletries, resulting in an allergic reaction in the penile area, can cause redness and swelling of the foreskin, accompanied by intense itching and localized red rash.
Swollen foreskin, indicating the existence of abnormal conditions, it is recommended that men seek medical treatment for appropriate examination and treatment, to avoid delays in the condition.