hello welcome to health care magic yes this medicine can definately cause muscular pain ...here is list of : feeling short of breath, even with mild exertion; swelling or rapid weight gain; chest pain, general ill feeling; nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes); blurred vision; increased thirst or hunger, urinating more than usual; or pale skin, easy bruising or bleeding, weakness. Continue taking this medication can cause any of these less serious side effects: sneezing, runny nose, cough or other signs of a cold; headache; gradual weight gain; muscle pain; or tooth problems.please consult your doctor to stop this medication... take care payal