What causes itching at the external urethral opening?

Itching at the external urethral orifice may have the following causes: 1. Hygiene factors: Long-term neglect of local hygiene can lead to bacterial growth and cause itching. It is recommended to shower regularly, change underwear frequently, and maintain local cleanliness. 2. Urethritis: Urethritis is a common cause of itching at the external urethral orifice. It may be caused by unhygienic sexual activity, leading to pathogen infection of the urethra. Symptoms may include frequent urination, urgency, painful urination, and itching. 3. Balanitis: The use of irritating shower gels or poor personal hygiene habits may lead to balanitis, which can subsequently cause itching at the external urethral orifice. 4. Allergic reactions: Allergies to detergents, sanitary products, or similar substances may also cause itching at the external urethral orifice. 5. Complications from other diseases: Other conditions such as eczema and genital warts may also lead to itching at the external urethral orifice. If itching at the external urethral orifice occurs, it is recommended to seek timely medical examination to determine the specific cause and receive appropriate treatment.