What's the matter with the redness and swelling on one side of the penis opening? What should I do?

A little redness and swelling on the side of the penis opening may be caused by urethrostomatitis, balanitis, urethral injury and other factors, and should be treated according to the cause.

It is likely to be caused by bacterial infection of the urethral opening, which may cause numbness and redness and swelling on the side of the mouth. Amoxicillin capsules, cefixime capsules, cefdinir capsules and other drugs can be used for treatment under the guidance of a doctor.

It is likely to be caused by inflammation of the glans penis, which may cause redness, swelling and pain. Clotrimazole cream, miconazole cream, terbinafine cream and other drugs can be used under the guidance of a doctor.

A little redness and swelling on the side of the penis mouth may be caused by urethral damage. You can use azithromycin dispersible tablets, levofloxacin hydrochloride capsules and other drugs according to the doctor's instructions.