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1. www.mayoclinic.org › diseases-conditions › foodFood allergy - Symptoms and causes - Mayo Clinic

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   Aug 30, 2024 · Food allergy is an immune system reaction that happens soon after eating a certain food. Even a tiny amount of the allergy-causing food can trigger symptoms such as hives, swollen airways and digestive problems. In some people, a food allergy can cause severe symptoms or even a life-threatening reaction known as anaphylaxis.

2. my.clevelandclinic.org › health › diseasesFood Allergies: Causes, Common Examples & Cures

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   Nov 11, 2024 · Food allergies are caused by your immune system trying to protect you from something it mistakenly thinks is harmful. Eating foods you’re allergic to can cause hives, airway swelling, difficulty breathing, vomiting and dangerously low blood pressure. Go to the ER or call 911 if you have severe symptoms from a food allergy.

3. www.healthline.com › nutrition › common-food-allergiesThe 9 Most Common Food Allergies - Healthline

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   • Cow’s milk. An allergy to cow’s milk is most often seen in babies and young children (9). It’s one of the most common childhood allergies, affecting 2–3% of babies and toddlers (10).
   • Eggs. An egg allergy is the second most common cause of food allergy in children (14). However, 68% of children who are allergic to eggs will outgrow their allergy by the time they’re 16 years old(14).
   • Tree nuts. A tree nut allergy is an allergy to some of the nuts and seeds that come from trees. It’s a very common food allergy that’s thought to affect around 1% of the U.S. population and perhaps up to 3% of people worldwide (19, 20, 21).
   • Peanuts. Like a tree nut allergy, peanut allergies are very common and can cause severe and potentially fatal allergic reactions. However, the two conditions are considered distinct, as a peanut is a legume.

4. www.medicalnewstoday.com › articles › allergy-symptomsAllergy symptoms: Types and when to seek help

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   22 hours ago · Food allergies may range from mild to severe, and food that triggers mild symptoms on one occasion may cause more severe symptoms on another. Food allergy symptoms typically occur within 2 hours ...

5. foodallergycanada.ca › reaction-signs-and-symptomsReaction signs and symptoms - Food Allergy Canada

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   Symptoms and severity of a reaction can differ each time. Keep in mind that an allergic reaction can start with mild symptoms that can get worse quickly. Symptoms of anaphylaxis generally include two or more of the following body systems: skin, respiratory, gastrointestinal, cardiovascular.

6. www.verywellhealth.com › food-allergy-symptoms-7561094Food Allergy Symptoms: Common Reactions to Know - Verywell Health

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   Sep 6, 2023 · A mild symptom typically impacts one part of the body. Some common yet mild food allergy symptoms can affect your nose, mouth, skin, and gut: Nose: Itchy or runny nose, sneezing. Mouth: Itchy mouth, scratchy throat. Skin: A few hives, mild itch (note the word few, many hives can indicate something more serious/severe)

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   What if I have a food allergy?

   • Food allergies occur when your body has an immune response to certain foods. Common food allergies include milk, egg and peanut allergies. The best treatment for a food allergy is to avoid trigger foods. If you have severe allergic reaction symptoms, such as throat swelling, call 911 or go to your nearest emergency room. What are food allergies?

   Food Allergies: Symptoms, Treatments - Cleveland Clinic

   my.clevelandclinic.org/health/diseases/9196-food-allergies

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   How do you know if you have a food allergy?

   • The most common food allergy symptoms include: Tingling or itching in the mouth. Hives, itching or eczema. Swelling of the lips, face, tongue, and throat or other parts of the body. Belly pain, diarrhea, nausea or vomiting. Wheezing, nasal congestion or trouble breathing. Dizziness, lightheadedness or fainting.

   Food allergy - Symptoms and causes - Mayo Clinic

   www.mayoclinic.org/diseases-conditions/food-allergy/symptoms-causes/syc-20355095

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   What are the different types of allergic reactions to food?

   • There are two types of allergic reactions to food. Immunoglobulin E (IgE) mediated: This is the most common type of allergic reaction. It happens when IgE antibodies release chemicals like histamine to fight off the perceived invader. Histamine causes typical allergy symptoms and may lead to anaphylaxis, which could be life threatening.

   The 9 Most Common Food Allergies - Healthline

   www.healthline.com/nutrition/common-food-allergies

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   How long do food allergy symptoms last?

   • Food allergy symptoms usually develop within a few minutes to two hours after eating the offending food. Rarely, symptoms may be delayed for several hours. The most common food allergy symptoms include: Tingling or itching in the mouth. Hives, itching or eczema.

   Food allergy - Symptoms and causes - Mayo Clinic

   www.mayoclinic.org/diseases-conditions/food-allergy/symptoms-causes/syc-20355095

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   What are some common food allergies?

   • Learn more Common food allergies include dairy, peanuts, and tree nuts, among others. You may be more likely to outgrow certain allergies than others. A food allergy is a condition in which certain foods trigger an abnormal immune response.

   The 9 Most Common Food Allergies - Healthline

   www.healthline.com/nutrition/common-food-allergies

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8. www.webmd.com › allergies › food-allergy-intolerancesFood Allergy and Food Intolerance - Causes, Symptoms, Treatments

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   Mar 10, 2024 · Several other diseases share symptoms with food allergies, including ulcers and digestive system cancers. These can lead to vomiting, diarrhea, or cramping pain that gets worse when you eat.