Anaphylaxis
Severe allergic reaction (anaphylaxis)
In rare cases, an allergy can lead to a severe allergic reaction, called anaphylaxis or anaphylactic shock, which can be life-threatening.
This affects the whole body and usually develops within minutes of exposure to something you’re allergic to.
Signs of anaphylaxis include any of the symptoms above, as well as:
- swelling of the throat and mouth
- difficulty breathing
- lightheadedness
- confusion
- blue skin or lips
- collapsing and losing consciousness
Anaphylaxis is a medical emergency that requires immediate treatment.
Call 999 immediately