Adverse reactions that need to be reported to a physician are as follows: a change in the amount of urination, fevers and chills, an aching body, symptoms of the flu, fatigue, abnormal heartbeats, muscle weakness, chest pain, or an abrupt change in weight. Some other side effects that should be monitored are coughing, dizziness, depression, vomiting, itching, nausea, and diarrhea. If these conditions are persistent or become severe, they should be reported to your local physician at the next visit.