Q. Can allergic reactions be life-threatening, and if so, what is anaphylaxis?
Doctor Answer is medically reviewed by SecondMedic medical review team.
Yes, allergic reactions can be life-threatening, and a severe and rapid-onset allergic reaction is known as anaphylaxis. Anaphylaxis is a medical emergency that requires immediate attention and intervention. It can be triggered by various allergens, including foods, insect stings, medications, and latex.
Common signs and symptoms of anaphylaxis include:
1. Difficulty breathing or shortness of breath: This can result from swelling of the airways.
2. Swelling of the face, lips, tongue, or throat: This is known as angioedema and can contribute to airway obstruction.
3. Rapid or weak pulse: An increased heart rate or a weak pulse may be a sign of a severe reaction.
4. A drop in blood pressure: This can lead to dizziness, lightheadedness, or loss of consciousness.
5. Confusion or altered mental state: Anaphylaxis can affect the neurological system.
6. Hives and widespread itching: Skin symptoms are common in anaphylaxis.
Not everyone who experiences an allergic reaction will progress to anaphylaxis, but it's crucial to recognize the signs and seek emergency medical attention if they occur. Anaphylaxis is a medical emergency that requires prompt treatment with epinephrine, a medication that can rapidly reverse the symptoms and stabilize the individual.
People with known severe allergies or a history of anaphylaxis are often prescribed an epinephrine auto-injector (such as an EpiPen) to carry with them at all times. Prompt administration of epinephrine is a critical step in managing anaphylaxis and can be life-saving.
It's important to note that anaphylaxis can occur even in individuals with no known history of allergies, so anyone experiencing symptoms suggestive of anaphylaxis should seek emergency medical attention immediately.
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