You could be suffering from Osteo-arthritis which has the characteristic of pain, swelling and stiffness. It could remain silent over sometime and become active again. Homeopathic Medicine has good remedies to relieve you of the pain and limit the progression of the disease. Medicines like Arnica, Rhus tox, Lycopodium, Lachesis, Calcarea flour are some which could be of help.
It is time you tried Homeopathic Medicine.