If you get any of the following at any time during your treatment STOP TAKING, and get medical help straight away:
Signs of intestinal bleeding such as vomiting blood or dark particles (that look like coffee grounds), black tarry stools or motions, or blood passed in your stools or motions
Signs of serious allergic reaction such as:
asthma, wheezing or shortness of breath,swelling of the face, lips, tongue, rapid heart rate, low blood pressure and collapse