Common side effects include diarrhea, stomach discomfort, nausea, and mouth sores. Less often, patients may experience rash, muscle pain, headache, or weakness.
the most common adverse effects are diarrhea, itching, skin rash, dizziness and headache. Muscle aches and a higher than normal rate of respiratory infections are among the other adverse reactions...
These drugs may damage the liver or muscles. Patients who take the drugs should have blood tests to check for liver damage as often as their physician recommends.