Besides sympathy I can offer you a little pain advice, but I am not a doctor, I just got family who have arthritis. If the pain is in the muscles use ibuprofen. If it's in the bones use naproxen. If you need sustained inflammation control you can safely take ibuprofen and acetaminophen at the same time just keep track of your doses and stay under each drug's daily limit. Drink lots of water as it helps the body manage swelling better.
I hope it's nothing serious and you can see a doctor soon.