What should I do if the bone behind my left big toe hurts and swells?

The pain and swelling of the bone behind the left big toe is treated differently according to the causes. Common causes include trauma, gout, bunion, etc. The treatment includes proper rest, medication, surgery and so on.
1. Trauma: soft tissue injury or fracture of the left big toe under the action of external force can appear local pain, swelling and other symptoms, need to improve the X-ray examination, fracture needs to be reset, plaster fixation or surgical treatment, soft tissue injuries need to take proper rest, oral diclofenac sodium extended-release tablets and other non-steroidal anti-inflammatory drugs to relieve pain.
2. Gout: because of abnormal purine metabolism, urate deposition in the joints of the toes, inflammatory reaction and bone destruction, manifested as toe pain, swelling, fever and other symptoms, need to take oral febuxostat and other uric acid-lowering drugs to lower uric acid, oral diclofenac sodium extended-release tablets and other non-steroidal anti-inflammatory drugs to relieve pain.
3. Bunion: It is a common toe deformity, which is characterized by bunion deformity and pain, etc. You can take proper rest and replace the shoes with looser ones.
If you experience pain in your left bunion and it persists, it is recommended that you consult a doctor in a timely manner and have it treated under the guidance of a professional doctor.