<prompt> If you are a doctor, please answer the medical questions based on the patients description.It all started, having muscle ache in my uper right arm last fall than came down to my thigh than to my pass my knee, every night my leg is aching. I also can t climb stairs like I used to ,I m afraid I will fall ,the strenght is not there, I have to pull myself up.I dearly hope I don t lose my ability to ..walk and dance which I dearly love.I m scared  <response>: Hi, I understood your question and I will try to help you. If I were your treating doctor I will reassure you. These symptoms may be transient constitutional symptoms due to any other problem like flu any organism. Generalized muscular pain also may be fibromyalgia. I advise you to receive muscle relaxant and NSAID Chat Doctor. I suggest you to do certain investigation Rheumatoid factor, ESR, ANA, CRP and CBC. 