- Side effects that you should report to your doctor or health care professional as soon as possible:•allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue•black or bloody stools, blood in the urine or vomit•blurred vision•chest pain•difficulty breathing or wheezing•nausea or vomiting•rash or fever•redness, blistering, peeling or loosening of the skin...