Rash on the opening of the foreskin, may be related to the foreskin glans, genital herpes, allergic dermatitis and other reasons.
1. Foreskin glansitis: due to the presence of male circumcision or phimosis and other conditions, which can lead to long-term stimulation of the glans by the foreskin scales caused by inflammatory reaction, under the action of inflammatory factors, it can cause small pimples on the opening of the foreskin.
2. Genital herpes: after herpes simplex virus invades the body, it first replicates in the epidermal cells, causing focal inflammation and necrosis, and herpes can appear at the opening of the foreskin, accompanied by itching symptoms.
3. Allergic dermatitis: if because of contact with chemical fiber composition fabrics and other allergenic substances, can cause the body to develop an abnormal immune response, the phenomenon of rash on the circumcision.
It is recommended to go to the hospital in a timely manner to clarify the cause of the rash, under the guidance of the doctor to standardize the treatment, so as not to delay the condition to the body to bring adverse effects.