Food allergies are an immune system reaction to specific allergens (substances) in food or drink.
A severe reaction may affect multiple parts of the body and must be treated withepinephrine.
Epinephrine is a hormone used to treat anaphylaxis and isdelivered via an EpiPen.
Illustration by Zoe Hansen for Verywell Health
Delayed or improper treatment of anaphylaxis can be fatal.
In addition, people with allergies or asthma and those with a family history are also at higher risk.
How Long Do Food Allergy Symptoms Last?
Allergic reactions can last for varying amounts of time.
Symptoms may start right after eating food or hours later.
In certain instances, particularly after a severe reaction, people are at risk of havingbiphasicreaction.
Symptoms and treatment recommendations are listed for mild and severe reactions.
Epinephrine lasts around 30 minutes, and sometimes people need a second dose.
If you haven’t seen an allergist or built a care plan, it’s important to do so.
Food allergies can cause serious consequences if they are not treated quickly and correctly.
The next time you eat the same food, you may experience severe symptoms.
Products that contain your allergen will need to be avoided.
If you are unsure of an ingredient, you’re free to call the food manufacturer.
Ask your server if meals are prepared with ingredients you are allergic toeven in foods you would not suspect.
confirm that there is no risk of cross-contamination.
Don’t be afraid to ask specific questions or to send back food that looks suspicious.
Summary
Food allergy symptoms can present differently in children and adults.
The severity of your symptoms will dictate your treatment method.
Having food allergies doesn’t mean you cannot dine out or shop safely.
A little extra research and preparation can allow you to enjoy social engagements.
ensure you always carry your treatment care plan along with your medication.
American College of Asthma, Allergy, and Immunology.Food allergy.
Food Allergy and Research Education.Recognizing and treating symptoms.
Food and Drug Administration.Food allergies: what you gotta know.
American Academy of Allergy, Asthma, and Immunology.Food intolerance versus food allergy.
American Academy of Allergy, Asthma, and Immunology.Anaphylaxis.
Food Allergy Research and Education.Biphasic reactions are more likely when symptoms of initial reaction are severe.
Food Allergy and Research Foundation.Food allergy and anaphylaxis emergency care plan.
Allergy and Asthma web link.What is epinephrine?
