Suddenly for no reason on the glans pain, a little swollen, may be acute injury, glans inflammation, allergies and other factors, the cause of the disease is different, the medication is not the same. Specific as follows. 1. Acute injury: for example, excessive pressure, so that the glans is locally damaged, it will cause pain, a little swollen, after diagnosis, you can use anti-inflammatory analgesic drugs to improve, such as diclofenac sodium, ibuprofen, etc., and pay attention to hygiene, avoid sexual life. 2. Glans: For the pain and swelling caused by glans, after diagnosis, when there is bacterial infection, mupirocin ointment and erythromycin ointment can be used for treatment, and when there is fungal infection, clotrimazole ointment can be used for treatment. 3. Allergy: Avoid contact with allergic substances, and improve the symptoms of discomfort with topical medications such as glycerine lotion, as well as with oral anti-allergy medications, such as cetirizine. In the treatment period, must listen to the doctor’s guidance, safe and reasonable use of drugs, do not unauthorized use of drugs.