The symptoms of a severe anaphylactic reaction usually develop within a few minutes to an hour after exposure. They can occur suddenly and rapidly worsen.
Initial symptoms of anaphylaxis are often the same as above and can lead to:
· A rapid heartbeat (tachycardia)
· Increasing breathing difficulties due to swelling and tightening of the neck
· A sudden intense feeling of fear and apprehension
· Sharp and sudden drops in your blood pressure, which can make you, feel light-headed and confused
Anaphylaxis is a medical emergency and without prompt treatment can be life-threatening.
Dial 999 immediately and ask for an ambulance with a paramedic if you think that you or someone you know is experiencing anaphylaxis.
Find out more about food allergies, the symptoms and the treatments.