What are the symptoms of anaphylaxis?

Asked by: Erik Botello | Last update: February 6, 2022
Rating: 4.1/5
(61 reviews)


  • Skin reactions, including hives and itching, and pale or flushed skin.
  • Low blood pressure (hypotension)
  • Constriction of the airways and swelling of the tongue or throat, which can cause wheezing or difficulty breathing.
  • Weak and rapid pulse.
  • Nausea, vomiting, or diarrhea.
  • Dizziness or fainting.

What is anaphylaxis and how does it manifest?

Anaphylaxis is a severe allergic reaction. It can start very quickly, and the symptoms can be life-threatening. The most common causes are reactions to food (especially peanuts), medications, and insect bites. Other causes include exercise and latex exposure.

How is anaphylaxis removed?


  1. Epinephrine (adrenaline) to reduce the body’s allergic response.
  2. Oxygen, to help you breathe.
  3. Intravenous antihistamines and cortisone to reduce airway swelling and improve breathing.
  4. A beta agonist (such as albuterol) to relieve respiratory symptoms.

How long does anaphylaxis last?

Anaphylaxis is a sudden, severe reaction that occurs within minutes of exposure and needs immediate medical attention. Without treatment, anaphylaxis can get worse very quickly and lead to death within 15 minutes.

What causes anaphylaxis?

What are the causes of anaphylaxis? The most frequent cause is drug allergy, wasp venom allergy, food allergy and, finally, latex allergy.

18 related questions found

What is death by anaphylaxis?

Anaphylaxis is a reaction in which typical allergy symptoms suddenly appear in various areas of the body. Sometimes they can be very serious symptoms, and cause death due to bronchospasm or cardiocirculatory “shock”. The most common cause of anaphylaxis in children is food allergy.

What to eat after anaphylaxis?

in adults: fruits, nuts, shellfish and fish. in children: egg, milk, nuts, fish and shellfish.


  • Milk.
  • Egg.
  • Fish: rooster, hake.
  • Legumes: peanut, lentil, chickpea.
  • Nuts: walnut, hazelnut, pistachio.
  • Seafood: shrimp.
  • Fruits: peach, kiwi, apple, banana.

What can you eat when you have hives?

What foods usually cause hives?

  • peanuts;
  • nuts;
  • eggs;
  • seafood;
  • chocolate;
  • milk; Y.
  • sesame.

What can not be eaten with hives?

In general, you should avoid foods that can make your hives worse, such as spicy foods, spices, preserves, nuts, eggs, strawberries, pineapple, citrus fruits, tomatoes, shellfish, cocoa, fermented cheeses, alcoholic beverages, and coffee. Also all foods that may contain preservatives or sweeteners.

What organs does anaphylactic shock affect?

This means that it affects two or more organs: the skin, the respiratory system, the digestive system, the cardiovascular system… If anaphylaxis presents with cardiovascular involvement and low blood pressure, it is when we speak of anaphylactic shock (or shock), which is a medical emergency.

How long does hives last on the skin?

It usually clears up within 24-48 hours, although some cases of acute hives can last up to several weeks.

What things can cause hives?

Pollen and other allergens that you breathe in can trigger hives, sometimes accompanied by upper and lower respiratory symptoms. Insect bites and infections. Other causes of acute urticaria and angioedema are insect bites and infections.

What natural remedy is good for hives?

The main natural antibiotics and medicinal plants for hives are:

  • Cold compresses: To reduce the blood vessels, apply a shower with cold water or ice cubes with a cloth on the skin.
  • The oats: …
  • Onion: …
  • Apple vinager: …
  • Baking soda: …
  • Aloe vera or aloe vera: …
  • Royal jelly: …
  • Elder:

How to relieve hives naturally?

Aloe vera could help relieve the symptoms of hives.

What is hives and why does it occur?

  1. Insect bites.
  2. Swim in cold water.
  3. Expose yourself to the sun at noon.
  4. Take a steam bath.
  5. The change of climate (being in a warm place and moving to a cold one, or vice versa).