Is a short sexual duration a sign of premature ejaculation?

Patient's question:

2009 Treatment history and effectiveness: Not good, very worried

Doctor's answer:

Guidance: Premature ejaculation is a type of sexual dysfunction. The main examination items include testosterone, nerve function tests, and Doppler color Doppler ultrasound. There are several causes of premature ejaculation, including: excessive foreskin, phimosis, frequent masturbation, frequent sexual activity, overly sensitive sexual nerves, endocrine abnormalities, varicocele, excessive foreskin, a history of frequent masturbation, prolonged riding leading to prostatitis, psychological factors, sensitive glans, lack of sexual experience and skills, and low sexual threshold, among others. After a detailed examination, the specific cause can be identified, allowing for active treatment of premature ejaculation. The daily treatment for patients primarily involves oral medications. Patients can take some oral medications and supplement them with vitamins.