There are many causes of low back pain, and the most common cause of low back pain on one side is due to lumbar muscle strain. Like keeping a position for too long, acute sprain of the waist, not paying attention to rest, etc. Without active treatment, it will become a chronic injury over time, which are the main causes of lumbar muscle strain. For the treatment of lumbar muscle strain, you can use some medicines to activate blood circulation and remove blood stasis or carry out hot compress physiotherapy as appropriate. In addition, don’t keep the waist in one position for too long, and more exercise for lumbar and back muscles are good for avoiding acute attacks. For women, low back pain may be caused by gynecological inflammation, if so, further examination should be carried out for gynecological diseases.