what are 3 signs and symptoms of a febrile convulsion?
['loss of consciousness (black out)', 'twitching or jerking of arms and legs.', 'breathing difficulty.', 'foaming at the mouth.', 'going pale or bluish in skin colour.', 'eye rolling, so only the whites of their eyes are visible.', 'your child may take 10 to 15 minutes to wake up properly afterwards.']