Low back pain during menstruation should be treated for diseases, common diseases are endometriosis, chronic pelvic inflammatory disease, prostaglandin increase stimulation, etc., you can follow the doctor’s instructions for the appropriate drug treatment. 1. Endometriosis: Many patients with mild disease usually have no obvious symptoms, but will have secondary dysmenorrhea during menstruation, which radiates to the lumbosacral area and pelvic region at the same time. It can be treated with low-dose high-efficiency progesterone and ethinyl estradiol complex preparations as prescribed by the doctor, and can also be treated with antiprogestational drugs such as mifepristone and pregnenolone to cause pseudo-menopause and make the lesions atrophy. 2. Chronic pelvic inflammatory disease: a group of inflammatory diseases of the female upper reproductive tract, can involve multiple sites, mild inflammation asymptomatic or mild symptoms, in menstruation there will be persistent abdominal pain, accompanied by lumbar pain, you can follow the doctor’s instructions to use sensitive antibiotic drugs, such as ceftriaxone sodium combined with metronidazole, doxycycline, azithromycin and other drug therapy. 3. Prostaglandin increase stimulation: during menstruation, the endometrial prostaglandin content increases, which can cause lower abdominal pain, swelling, lumbago and other discomforts. You can take oral ibuprofen, methylphenidate, naproxen and other medications as prescribed by your doctor to relieve the pain. Menstrual back pain is recommended to go to the hospital in a timely manner to check, clarify the cause of the disease, and then follow the doctor’s instructions to deal with medication. All of the above drugs may produce adverse reactions, so you should strictly do the doctor’s orders, symptomatic treatment, not random use of drugs.