The red bumps on the glans can be caused by allergies, warts or genital herpes, and can be treated with medication. 1. Allergy: red bumps on the glans can be caused by contact with irritating substances that cause allergies, you should avoid contact with allergens in a timely manner, but also under the guidance of the doctor’s oral loratadine and other anti-allergy medication, which can help improve the symptoms. 2. acromegaly: the occurrence of unclean sex is easy HPV infection caused by acromegaly, which can also lead to red bumps on the glans can not go down. Patients can apply imiquimod cream medication, in addition to cryotherapy and laser therapy and other physical methods of treatment. 3. Genital herpes: Genital herpes can be triggered by herpes simplex virus infection, causing the above symptoms. Patients can take antiviral drugs such as acyclovir and valacyclovir for treatment. The red bumps on the glans can’t go down, it is recommended to go to the hospital, choose the appropriate method of treatment. Note that the above drugs should be applied under the guidance of a doctor.