Men with itchy glans and red spots may be related to glansitis, allergy, mechanical physical stimulation, sexually transmitted diseases and other reasons. 1. glans inflammation: due to long foreskin, unclean sex, etc. easily make bacteria, fungi and other infections of the glans and inflammation, inflammation stimulation makes the man glans itchy and have red spots. 2. Allergy: If you wear a condom, people with allergies may be allergic to some condoms, resulting in an allergic reaction leading to an itchy glans and red spots on the man’s glans. 3. Mechanical physical stimulation: if excessive masturbation repeatedly rubbing the glans or underwear too tight friction glans, may lead to men with itchy glans and red spots. 4. Sexually Transmitted Diseases (STDs): If you have high-risk sex, you may be infected with syphilis and other STDs, which may lead to itchy glans and red spots. It is recommended that the patient go to the hospital in time, after the cause of the disease is clear, standardized treatment.