Anaphylaxis is a severe allergic reaction that can occur rapidly after exposure to an allergen. Anaphylaxis can progress rapidly and can be fatal. Seek emergency help immediately.
Skin Symptoms:
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Hives (raised, itchy welts) on the skin
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Generalized redness and flushing of the skin
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Swelling, especially of the face, lips, tongue, and throat
Respiratory Symptoms:
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Breathing difficulties, wheezing, stridor.
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Coughing
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Chest tightness
Cardiovascular Symptoms:
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Rapid or weak pulse
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Low blood pressure (which can lead to dizziness)
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Paleness
Gastrointestinal Symptoms:
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Nausea and vomiting
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Abdominal pain or cramping
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Diarrhea
Neurological Symptoms:
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Anxiety or a sense of impending doom
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Confusion
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Loss of consciousness