The most common side effect is irritation of the stomach which can cause problems such as indigestion and heartburn.
If your child experiences any of the following, stop giving this medicine and tell your doctor immediately:
• blood in the stools (faeces/motions)
• black tarry stools
• vomiting blood or dark particles that look like coffee grounds
• unexplained wheezing, asthma, shortness of breath, skin rash (which may be severe with blistering or peeling of the skin), itching or bruising, severe skin reactions including Stevens-Johnson syndrome, racing heart, fluid retention (swollen ankles or decreased levels of passing urine)
• stiff neck, headache, nausea, vomiting, fever and disorientation.
• face, tongue or throat swelling (these can be signs of serious allergic reactions)
• A severe skin reaction known as DRESS (Drug reaction with eosinophilia and systemic symptoms) syndrome can occur. Symptoms of DRESS include: skin rash, fever, swelling of lymph nodes and an increase of eosinophils (a type of white blood cells).
For a full list of side effects see the patient information leaflet