Penis redness and itchiness may be caused by allergy, glans phimosis, syphilis and other factors.
1. Allergy: wearing chemical fiber material underwear, may make the penis local allergic reaction, it will lead to penis redness, and accompanied by itching symptoms.
2. Circumcised glans: Men with a long foreskin who don’t clean the inside of the foreskin often can harbor bacteria and fungi, causing circumcised glans, which can lead to redness of the penis with itching and tingling when stimulated by inflammatory substances.
3. Syphilis: usually caused by syphilis spirochete infection, in the early stage can lead to localized penile erythema, and then develop into superficial ulcers, accompanied by itching and secretion, has a strong contagious.
The penis is red and itchy, to pay attention to, it is recommended to go to the regular hospital as soon as possible for medical examination and treatment, to avoid aggravation of the lesions.