Rare Cardiac arrest, Fast heart beat Loss of consciousness, Convulsion Conjunctivitis, Swelling (edema) of the eyelid Breathing difficulties (bronchospasm, swelling of the throat), Breathing arrest, Blueness of the lips, Cough, Sneezing Swelling (edema) of the face, Excessive sweating, Itching, Redness of the skin Fainting, Flushing Feeling hot, Generally feeling unwell Severe allergy-like reaction (shock)