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Signs and Symptoms of Anaphylaxis,
Anaphylaxis and Vaccines

How often does anaphylaxis occur following vaccination?

Anaphylaxis can occur within 15 to 30 minutes after a vaccination, or in some cases, a few hours. Anaphylactic symptoms may resemble an allergic reaction.

injured by a vaccine?

Anaphylactic shock following
vaccination can happen.

We'll secure you compensation for your injury in the VICP.

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Anaphylaxis & Allergic Reactions to Vaccines

Vaccines, like any other medication, can cause Anaphylaxis, also known as an allergic reaction. Our vaccine injury lawyers are skilled at handling cases of adverse reactions to vaccines such as the flu shot, TDaP/DTaP, and others that are covered under the National Vaccine Injury Program. Our firm has obtained over $40 million in vaccine injury settlements since 2019.


What is anaphylaxis?

Anaphylaxis or an anaphylactic reaction is a severe allergic reaction and can be potentially life-threatening. The allergy symptoms can occur within seconds or minutes of exposure to a foreign substance. The most common causes of Anaphylaxis are drugs, foods, or insect bites. Recently, Paul Brazil Won Compensation for Woman Who Suffered Injuries from Multiple Vaccines.

What causes anaphylaxis??

Anaphylactic reactions can be caused by several things, including foods, insect stings, and medications. However, one very common cause is a reaction to a vaccine or shot.

Some people have severe allergic reactions to the proteins in vaccines, and when they are injected with the vaccine, their immune system responds by releasing histamines. These histamines cause the blood vessels to dilate and the throat to swell, which can lead to anaphylactic shock.


Signs and Symptoms of Anaphylaxis can include:

Signs and symptoms of anaphylaxis can vary from person to person and can also change over time. Some people may experience only a few symptoms, while others may experience many severe allergies.

The most common sign and symptoms of anaphylaxis include the following:

  • Hives
  • Swelling of the tongue and/or throat
  • Shortness of breath
  • Hoarseness
  • Spasms
  • Abdominal pain
  • Vomiting

Signs of Anaphylactic Shock

Anaphylactic shock is a life-threatening allergic reaction. Signs of anaphylactic shock can include difficulty breathing, throat swelling, hives, and dizziness. Anaphylaxis can occur within minutes of exposure to an allergen, such as a vaccine. Emergency treatment includes an injection of epinephrine (adrenaline).

If you experience any of these signs or symptoms after exposure to an allergen, seek emergency medical help immediately.


Risks of anaphylaxis

The risks of anaphylaxis are high and can include long-term and short-term health consequences. Some of the long-term risks can include heart disease, stroke, and even death. Anaphylaxis can lead to short-term problems such as difficulty breathing, chest tightness, and a rapid heartbeat.

If you are experiencing any of these symptoms, it is important to seek medical help immediately.


How is anaphylaxis treated?

In severe anaphylactic reactions, the universal treatment is epinephrine injection, usually referred to by the brand name EpiPen®. Epinephrine is injectable adrenaline. The injection is performed in the thigh as soon as symptoms begin. Epinephrine works by relaxing and opening airways which makes breathing easier. The adrenaline also relieves itching, hives, and swelling.

Recently, My Vaccine Lawyer's founding partner Paul Brazil was interviewed by Jodie Fleischer of NBC4 Washington about vaccine injuries such as Anaphylaxis and Anaphylactic Shock, along with the National Vaccine Injury Compensation Program, which is a federal compensation program for vaccine injuries in the United States. Paul and Jodie also discuss the frequency of these injuries and the lack of public knowledge about the VICP.


Anaphylaxis from a vaccine? Speak directly with a lawyer!

We always offer free case evaluations.


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Compensation for Anaphylaxis from a vaccine

If you or your child suffered an anaphylactic reaction to a vaccine, you may be entitled to compensation from the National Vaccine Injury Compensation Program. For more information, please contact us for a free consultation


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