SYNTOCINON can have side effects. Not all side effects reported for SYNTOCINON are included in this leaflet. Should your general health worsen or if you experience any untoward effects while receiving SYNTOCINON, please consult your healthcare provider for advice. If any of the following happens, stop receiving SYNTOCINON and tell your doctor immediately or go to the casualty department at your nearest hospital: • Swelling of the hands, feet, ankles, face, lips, mouth or throat, which may cause difficulty in swallowing or breathing; • rash or itching; • fainting. These are all very serious side effects. If you have them, you may have had a serious allergic reaction to SYNTOCINON. You may need urgent medical attention or hospitalisation. Tell your doctor if you notice any of the following: The following side effects have been reported frequently: • feeling nauseous and vomiting; • headache; • fast or slow heart rate; • low blood pressure; • shock; • flushing; • bleeding.
The following side effects have been reported less frequently: • irregular heartbeat; • increase in blood pressure; • skin rashes; • severe allergic reaction (anaphylaxis) causing dizziness, lightheadedness, difficulty breathing, low blood pressure and shock. The following side effects have been reported but the frequency is unknown: • Disseminated intravascular coagulation (DIC), a rare but serious condition that causes abnormal blood clotting throughout the body’s blood vessels. • Swelling of the deeper layers of the skin caused by a build-up of fluid in the body (angioedema). • Increased fluid intake (water intoxication) can cause loss of sodium in the mother and baby. • Reduced blood flow to the heart resulting in loss of oxygen. • QTc prolongation (irregular heartbeat). • Decrease in blood pressure. • Hot flushes. • Foetal distress (baby experiences distress during labour). • A condition where the body is deprived of oxygen (asphyxia). • Sudden fluid overload in lungs. • Spasm of the muscles of the womb. • Contractions or rupture of the womb. If you notice any side effects not mentioned in this leaflet, please inform your doctor or pharmacist.