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With or without insurance, you can get a quick, personalized allergy test when it’s convenient for you.Read More
This 4-year-old recently ate some ice cream without having a reaction—did she outgrow her milk allergy?Read More
Everyone has their own unique combination of allergic triggers and not all of them are obvious.Read More
Anaphylaxis, also called anaphylactic shock, is an acute, life-threatening allergic reaction.Read More
Digestive and gastrointestinal issues are closely tied to what you eat.Read More
Does this 4-year-old run the risk of having a severe reaction to peanuts?Read More
Food allergies are the body’s immune system reacting to something that is normally harmless to most people–like milk or eggs.Read More
If you suspect allergies are the cause of your symptoms, it is important to consult with your healthcare professional to get properly diagnosed.Read More
There are options when it comes to testing to identify allergic triggers.Read More
After eating a bowl of fruit and nut cereal, this 8-year-old was covered in large hives—what caused her reaction?Read More
Get answers to some of the most common questions about allergy.Read More
An allergy is when your immune system reacts to something that’s normally harmless to most people. If you come into contact with a substance that your immune system views as a threat, called an allergen, it responds by releasing a chemical called histamine and other substances. The release of these substances is what causes your allergic reaction. Atopy, or having an atopic predisposition, refers to the genetic predisposition to develop allergic diseases.
Generally, your immune system protects you from substances that can make you sick. But if you're one whose immune system reacts to something that is harmless to most people, then your body may react with common allergy symptoms such as sneezing, runny nose, and watery eyes. Hundreds of ordinary substances can cause - or trigger - an allergic reaction. Among the most common things that can cause reactions are plant pollen, food, insect stings, mold, dust mites, pet dander, and medications.
Anyone can be affected by allergies, but some people are more prone to them than others. Genetic and environmental factors plat a role in a person's susceptibility to developing allergies. When allergies are common in children, they can occur for the first time at any age. Some children stop reacting to certain allergens, such as milk and egg, as they grow, but allergies to foods like nuts and fish tend to remain. It's also possible to develop allergies at any age, even as an adult.
Just about anything you encounter in your environment can trigger an allergic reaction in someone who is allergic. And while some people may outgrow their existing allergies, new ones could spring up at any time.2
The most common allergy causes and triggers include:
These allergens are frequently responsible for allergic reactions. Click on the images below to learn more about them:
You’re likely to have questions about allergies. There are so many different types & symptoms associated with them, it can be confusing and may be hard to navigate. Here are answers to some of the most common questions.
Sometimes the clinical terms associated with allergies can seem like a foreign language. That’s why we’ve made this easy-to-understand list of terms you may come across when researching your allergies.