37yo f- low back pain, l sciatica, low back hurts to press on it. gp sent for x-ray-shows lumbar facet degenerative change, mild facet hypertrophy, mild levoscoliosis, and probably mild disc narrowing at l5-s1. is this anything to worry about?

Details provided in your question are common with trauma or athletic injuries which may predispose to favoring abnormal postural positions to avoid pain, causing bone growths which make some movements painful. See an orthopedic surgeon for analysis of the imaging studies by your GP.

A standard X-ray will be insufficient to determine the extent of back pathology, as a nerve root compression causing "L sciatica" will be missed, and an MRI would be far better. Suggest you see a physiatrist, or an osteopathic specialist. Physical therapy may well be helpful. Key is to identify the "pain generator", and treat this appropriately.

You can start with physical therapy for core strengthening and posture. If there is numbness down the leg or issues using the bathroom seek urgent evaluation