A red rash on the glans that doesn’t hurt or itch may be caused by diseases such as pearly penile papules, condyloma acuminatum and penile cancer.
1. Pearly penile papules: the etiology is still unclear, it may be a physiological developmental variant or due to local irritation. Patients will have white or red pearly papules on the coronal edge of the penis and the coronal sulcus, which are hard, without pressure and pain, and will not be broken, and their surfaces are smooth and shiny.
2. Condyloma acuminatum: It is a sexually transmitted disease caused by HPV virus infection, and it occurs in sexually active young and middle-aged people. Men are more common in the glans, the prepuce tie, penis, perineum and other parts, the lesions at the beginning of a small reddish papule, its texture is soft, and then gradually increase in size, can form a cauliflower-like, the patient is mostly no self-conscious symptoms.
3. Penile cancer: the cause of the disease is not clear, mostly related to prepuce, prepuce or human papilloma virus infection. In early stage, red papules or plaques may appear on the penile head and coronary groove of patients, and the texture is hard, at this time, patients may be asymptomatic, but there are some patients who are conscious of tingling due to localized vesiculation and purulent secretion.
In addition, there are many reasons can cause a red rash on the glans without pain, it is recommended that patients seek medical attention in a timely manner to identify the cause of the disease and follow the doctor’s instructions for treatment.