For non traumatic low back pain you can try ice, lidocaine patches, NSAIDs and stretching. It still may bug you for a week or more. For long term need to implement some exercises.
Quad/hamstring stretches are vital. And can give good relief.
Also. Avoid heat and aggressive stretching/exercise early on. It may feel a bit better for the moment but can make inflammation/pain worse or last longer
You should see a doctor and get XR if you experience worsening symptoms or numbness/tingling.
Also. Avoid heat and aggressive stretching/exercise early on. It may feel a bit better for the moment but can make inflammation/pain worse or last longer.