It is normal to have vague symptoms of lumbago and lumbar pain after abortion, because the uterus contracts after abortion, the mouth of the uterus is still in an open state, and the vagina is also bleeding, so there may be pelvic congestion, which manifests itself as lumbago and lumbar pain, but it can be tolerated in general. You can use a warm pad or hot water bag to apply warm compresses, while taking oral antibiotics to prevent infection. However, if the backache or back pain is unbearable, accompanied by symptoms of fever or heavy vaginal bleeding, this situation is abnormal, there may be residual abnormal symptoms caused by the best to go to the hospital as soon as possible, under the guidance of the doctor to treat. Most of the minor back pain and swelling is normal, more bed rest, pay attention to keep warm, usually can be relieved.