A throbbing vas deferens may be caused by orchitis or vesiculitis. 1. Testiculitis: it is an inflammation caused by bacterial or viral infection, which may result in testicular swelling, pain and other symptoms, and some people may also experience vasovaginal throbbing. 2. Vesiculitis: it refers to inflammation in the seminal vesicles, usually caused by non-specific infections, and may cause frequent urination, urinary urgency and other symptoms, and may be accompanied by fever, chills and other symptoms, which can cause vasovaginal throbbing. Usually pay attention to private hygiene, develop good living habits and eating habits, ban smoking and alcohol, pay attention to rest, often exercise to improve their physical fitness. If there is any discomfort, consult a doctor in time.