The symptoms of low back pain after intercourse: 1. It may be due to lumbar muscle strain caused by too strenuous a process in the room, or to aggravate the symptoms of lumbar disc herniation. If there is no relief within a short period of time, go to the orthopedic clinic as soon as possible to further clarify the diagnosis and then relieve the symptoms of back pain. 2, there may also be inflammation of the pelvic cavity caused by this situation, you need to go to a regular hospital to improve the gynecological ultrasound and physical examination, the diagnosis is clear. If it is suggested that it is caused by pelvic inflammatory disease, it is necessary to prohibit intercourse, pay attention to rest, avoid strenuous exercise, pay attention to warmth, do not get cold and cold. At the same time, take some oral cephalosporin antibiotics combined with metronidazole antibiotics for symptomatic treatment. You can also choose anti-inflammatory drugs of traditional Chinese medicine, such as Kangwanyan capsule and Uterine Inflammation Tablet for symptomatic relief.