Anaphylactic shock is a severe, potentially life-threatening allergic reaction.

It is caused by an overreaction of the immune system to a foreign substance, such as a food allergen, medication, or insect sting.

Signs and Symptoms of Anaphylactic Shock Can Include:

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Difficult or Noisy Breathing

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Swelling of the Throat and Tongue

Coughing

Pale Skin

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Low Blood Pressure

Rapid Pulse

Dizziness

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