I hope you tried acupuncture. I am sure you have excellent practitioners in the Philippines.
Thankfully, I have a mild case that seems to go away with Advil, an anti-inflammatory but it could get worse so I want to get ready! I am taking vitamin Bs which are good for the nervous system (nerves in the body). And I am also taking B12 under my tongue which I hope will help, too.
Good luck to you.
Robin in Montreal