Lower left back pain can be caused by muscle injury, arthritis, or kidney issues. Rest, ice, heat, and over-the-counter anti-inflammatory medications can help relieve lower left back pain at home. If ...
Left upper quadrant (LUQ) pain stems from conditions that affect organs like your spleen, kidney, or stomach. It's best to see a doctor if your LUQ pain worsens or lasts more than 48 hours. Treatment ...