The only thing you can do is see a dr for diagnosis and meds to make u feel better. Without medical care things may get worse. Good luck and I hope you will see a dr soon.
Is it possible you could have Joint Hypermobility Syndrome, or Ehlers-Danlos Hypermobility Type III? Most doctors have no clue about this. Check out Dr. Brad Tinkle's Joint hypermobility Syndrome Handbook, if you think it fits your symptoms.
Can you think of any triggering event that happened to you six months ago?