Muscle or spine damage and nerve damage, including sciatica, can also cause pain. Lower left side back pain in females can be caused by pregnancy-related changes, fibromyalgia, and other conditions.

“It usually causes pain on the lower left side of your belly, and you might also have fever, nausea, or changes in your bowel habits.” Most cases are treated with rest, antibiotics, and ...

The most common cause of low back pain on the left side is a muscle strain. Other causes of lower left back pain include a kidney infection, herniated disc, and pregnancy. To treat lower left back ...

Neck pain on the left side usually results from a benign cause, like muscle strain from sleeping in an awkward position. Sometimes, a more serious cause may be a tumor or rheumatoid arthritis.

If you have chest pain on the left side, your first thought may be that you’re having a heart attack. While chest pain can be a symptom of heart problems, that’s not always the case.