What are class 4 allergy symptoms?
Class 4 allergy symptoms are the most severe and potentially life-threatening. They can include:
* Anaphylaxis: A sudden, severe allergic reaction that can cause death if not treated immediately. Symptoms of anaphylaxis include:
* Difficulty breathing
* Swelling of the throat, tongue, or face
* Chest pain
* Low blood pressure
* Fainting
* Nausea and vomiting
* Diarrhea
* Skin rash
* Hives
* Laryngeal edema: Swelling of the larynx (voice box) that can cause difficulty breathing.
* Bronchospasm: Constriction of the airways that can cause wheezing, coughing, and shortness of breath.
* Cardiac arrhythmias: Irregular heartbeats that can be fatal.
* Cardiovascular collapse: A sudden drop in blood pressure that can lead to fainting or death.
If you experience any of these symptoms, seek medical attention immediately.
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