in a period of 6 to 8 months I have pain all over the body, shoulders, arms, hands thigh. A doctor said that I have OA. I take celebrex 200 mg and if the pain is much I take acetaminophen 650 mg. I am 71y, 152#always very active, exercise walk, weights swiming etc. now I can't I lost my strength. Does OA develop that fast?