I have severe muscle pain in my arms and upper legs that came on suddenly about 2 weeks ago. It has gotten worse. I went to the doctor on Friday and am waiting for blood work to come back. She gave me a steroid shot which helped, but today it is much worse and I can hardly lift my legs to climb into my truck. I have been taking Simvastatin 10mg for about 2 years. I also take CoQ 10 100mg. I also started a water pill about 3 weeks ago because I developed swelling in my ankles (Chlorthalidone 25 mg). The doctor told me to stop the Simvastatin and water pill for now. I also take Atenolol for hypertension 50 mg, for about 2 years. Lastly, I started testosterone replacement shots at the beginning of March. I am 60 years old, male, 294 lbs, 6'2". What could this be? Thank you!