Can you see a chiropractor/massage therapist/something? Even acupuncture can help.

I have a friend whose hand swells occasionally and her acupuncturist will release some kind of fluid build-up which helps her with pain management.

Chiropractor can help with any bone realignment if that's part of the problem which can reduce pain.

Massage therapy can release tension in muscles which can cause headaches/head pain and body.

It won't get rid of the pain completely but helps with managing it.