Seek immediate medical attention if you get any side effects that worry you. It’s important to get urgent medical advice if you get any of the following:
Symptoms of an allergic reaction: swelling in the throat, lips, face and tongue, breathing difficulties and severe rashes or hives.
Symptoms of blood clots: swelling of the leg, pain when standing or walking, warmth in the area affected and blue coloured skin.
Signs of pulmonary embolism: loss of breath, coughing up blood, chest pain, lightheadedness, stomach pain and an irregular heartbeat.
Signs of a heart attack: chest pain, a pressure in the chest, a squeezing sensation in the arm and chest, indigestion with a feeling of choking, sweating, nausea, vomiting, weakness, anxiety and an irregular heartbeat.
Symptoms of a stroke: weakness on one side of the body, confusion, problems speaking, vision problems, dizziness, problems walking, loss of balance, prolonged headaches and seizures.