Left waist side edge inside dull ache is kidney stone

1. Kidney stones: if there are stones in the kidney, when the position of the stones changes, or stones are small, the smooth muscle contraction will be stimulated during the process of excretion from the ureter, causing pain.

2. Lumbar muscle strain: lumbar muscle strain refers to long-term accumulated damage to the lumbar muscles and their attachment points, mainly manifested as lumbar pain after fatigue, relief during rest, etc. If the patient is long-term tired or long-term poor sitting posture, lumbar muscle strain will cause dull pain in the left lumbar side.

3. Lumbar acute injury: if the patient has acute lumbar sprain, it can cause limited waist pain, etc., but when the sprain is mild, it can also be manifested as dull pain in the left lumbar side.

There are other reasons for the dull pain in the left lumbar side. It is necessary to go to the hospital as soon as possible, and the doctor will formulate an individualized diagnosis and treatment plan according to the specific condition, so as not to delay the disease.