Anaphylactic reactions to vaccinations are rare, but they can occur. Vaccines are designed to protect people from diseases, but sometimes the body can react to the vaccine in a way that causes an allergic reaction. Anaphylaxis is a severe and potentially life-threatening allergic reaction.
The symptoms of anaphylaxis can occur within minutes to hours of receiving a vaccine. Symptoms can include difficulty breathing, swelling of the face and throat, rapid heartbeat, hives, and nausea. If left untreated, anaphylaxis can lead to shock, coma, and even death.
If you have a history of severe allergic reactions, your healthcare provider may recommend that you avoid certain vaccines or take precautions before receiving them. For example, you may need to be monitored for a period of time after receiving a vaccine, or you may need to take antihistamines or other medications before receiving a vaccine.
If you experience symptoms of anaphylaxis after receiving a vaccine, it is important to seek immediate medical attention. Treatment may include epinephrine, antihistamines, and corticosteroids. If you have a history of anaphylaxis, it is important to carry an epinephrine auto-injector with you at all times.
It's important to remember that anaphylactic reactions to vaccines are rare. The benefits of vaccination far outweigh the risks for most people. If you have any concerns about receiving a vaccine, talk to your healthcare provider.