There is an ulcer on the foreskin and touch a little bump, may be related to the foreskin glans, genital herpes, syphilis and other causes.
1. Foreskin glansitis: it often manifests as itching of the foreskin and glans, and may appear as erythema, ulcers, and rashes of the skin and mucous membranes.
2. Genital herpes: manifested as small blisters clustered together or scattered distribution, with the progress of the disease, localized erosion, the formation of ulcers.
3. Syphilis: often occurs in the external genitalia appear small red spots, can rapidly develop into painless papules and superficial ulcers, etc., often accompanied by secretions.
It is recommended to have an ulcer on the foreskin and feel a little bit of pimples in time to go to the hospital, clear the cause of the disease, under the guidance of the doctor for standardized treatment, so as not to delay the condition.