Hello I hope things get better soon. Maybe you can have your thyroid checked and see if this may be a culprit of the problem. Thyroid is directly related to respiratory ailments, and asthma, and you just may need medication. Vitamins help and if you are eunderweight eating properly is a must, to help the pain if you are underweight it can cause arthritis, and other problems. there is a number of meal planning techniques and diets on the American Diabetes Association website and it will help you to maintain weight but get the proper nutrition tha tyou amy need at this time for your pain, and calcium is very important as well, along with exercise. You dont have to be in pain all of the time there is help and getting a good dr helps that process. Take Care Soidhonia