Alvorlig smerte i brystet, hjertebanken i forbindelse med svimmelhed eller mathed, besvimelse, alvorlige mave - eller tarmsmerter, opkastning af blod eller blodig eller sort afføring, vejrtrækningsproblemer eller stakåndethed, især hvis De oplever blåfarvning af læber eller hud.
If you notice any of the following, contact your doctor immediately: severe chest pain, palpitations associated with dizziness or feeling faint, fainting, severe abdominal or gastro- intestinal pain, vomiting blood or passing bloody or black stools, breathing difficulties or shortness of breath, particularly if your lips or skin turn a bluish colour.