What causes low back pain on left side?

Back pain. Back pain that is one sided can be cause by muscle pain, ligament pain, disc pain or nerve pain. You need eval by your pcp and possible referral to a specialist.
Spine Injury. Swelling suggests a muscle contusion/bruising (this will resolve after a few days/weeks) but the other pain in the distribution as you suggested is the result of an irritated nerve or facet joints or other injury typically in the lumbar spine (low back) which are caused by herniated disks, spinal stenosis or degenerative disc disease, etc requiring further evaluation by a spine specialist.
Many things. Many things cause low back pain. See your doctor for a thorough evaluation to find out what's going on.

Related Questions

Low back pain just on left side which is ongoing & now it's radiating to front pubic area left Side, is this ovary pain or what can cause this. Thanks?

Pelvic pain. Pelvic pain is complex as there are several organs in the pelvis. The ovaries, fallopian tubes, uterus, cervix, bladder, appendix, intestines, colon and rectum can all be the source. Pelvic pain requires and examination to help organize the evaluation. Low back pain has a equally long list of possible causes. You will need to schedule a visit to help narrow down the possibilities. Read more...

What causes low back pain on both sides of back?

Several Reasons. The most common in your age group is multi-level degenerative disease or arthritis of the spine. Read more...
Spine Pain Options. This chronic pain in the distribution as you suggested is the result of an irritated nerve or facet joints or other injury typically in the lumbar spine (low back) which are caused by herniated disks, spinal stenosis or degenerative disc disease, etc requiring further evaluation by a spine specialist and may be candidate for facet injections/radiofrequency ablation and epidural steroid injection. Read more...

Low back pain low ab pain on left side and center bloated feeling and stomachache am currently halfway through cycle so it's not PMS.

Mittelschmerz. Mittelschmerz is one sided lower abdominal Pain associated with ovulation . It is German for "middle pain" since it occurs midway through the menstrual cycle . The only curveball is that you also indicate you were having back pain. This is something you can discuss with your physician to clarify the diagnosis. Read more...
See MD . You need a full history and physical exam. Left lower quadrant abdominal pain that radiates to the back could be a ruptured ovarian cyst. It could also be intraabdominal pathology such as diverticulitis or constipation, or if associated with flank pain a kidney stone or even a problem with the abdominal aorta. Full history physical meds and review of symptoms needed. Stay calm and see MD. . Read more...

Sharp pain on left side, lower back pain and low white blood cell count what could be the problem?

Depends. Abdominal has many causes and many implications. Some are minor and some can be life threatening. More information a complete history and physical is recommended by your doctor if you indeed have these symptoms. I would go to the emergency room if your pain is severe. Good luck. Read more...

Lwhat causes lower back pain on your lower left side?

Multip possibilities. Low back pain can be caused by various conditions and often a combination of sorts. The history (due to trauma?/how long present/ etc) , severity of the pain, radiation of the pain(does it move down your leg) & other factors, and exam are helpful in identifying the cause. It coud be be due to mechanical prob, muscle strains, disc disease, arthritic problems, joint d/o. See your md as a start! Read more...
Musculoskeletal. If you have a relatively small region of your back that hurts you, it can be from the si joint (sacroiliac), lower lumbar joints, muscle spasms, ligament or tendon inflammation. These are the most common reasons for regional back pain. Try conservative treatments like ice/heat, otcs like ibuprofen-type products. Stretching exercises. If doesn't go away, go to doc for exam and options. Read more...

What might cause lower back pain in the left side right near the spine?

Numerous. Pain in that area could be due to a trigger point (localized soft tissue inflammation) vs muscle sprain/strain vs facet joint pain vs degenerative disc vs disc herniation, among other causes. If your symptoms are persistent or worsening, see a physician. Read more...

I'm suffering from low back pain particularly on the right side, what would be the cause?

Nerve impingement? can be caused by being sandwiched between two spinal bones, pressed by a bulging disc. It can cause muscle spasm and back pain. Prevention treatment is always recommended. This condition must be professionally managed. See interventional pain management specialist for definitive diagnosis and management. Read more...
Sacroiliitis. Likely inflammation of the sacroiliac joint. This a joint between the sacrum and the ilium. The joints are located bilaterally where the small dimples in the low back are located. Pain in this joint is made worse by rising from a seated position, rolling onto the affected side while in bed, and taking a step up on the affected side. Apply ice at night in addition to the diclofenac. Read more...