New insights on celery allergies and associated risks
Celery, a major cause of vegetable allergies, carries the risk of causing severe allergic reactions, especially in individuals with mugwort pollen sensitization.
20 hours ago
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Celery, a major cause of vegetable allergies, carries the risk of causing severe allergic reactions, especially in individuals with mugwort pollen sensitization.
20 hours ago
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Australian researchers have discovered how changes in antibody levels over time can predict which children are likely to outgrow their peanut allergy.
May 9, 2024
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If you didn't have food allergies as a child, is it possible to develop them as an adult? The short answer is yes. But the reasons why are much more complicated.
May 8, 2024
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Pink eye is an inflammation of the lining of the eyelid and eyeball. The medical term for pink eye is conjunctivitis. The most noticeable symptom will be a pink or red irritated eye or eyes. Other symptoms can include:
May 8, 2024
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If you're one of the millions of Americans who have a penicillin allergy listed on your medical record, research suggests it's highly likely that this label is inaccurate.
May 7, 2024
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Daily immunotherapy delivered via a dermal patch reduced the risk of reactions, including anaphylaxis, in children with an immunoglobulin E (IgE)–mediated cow's milk allergy, according to a recent clinical trial published ...
May 2, 2024
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Having a child with food allergies isn't easy to manage, and now new research shows that most of these parents turn to social media for medical advice.
May 1, 2024
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Allergy season can bring misery to tens of millions of Americans each year.
Apr 24, 2024
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Preparing a kid for summer camp is already a daunting task, and it's even more complicated if your child has allergies or asthma, experts say.
Apr 15, 2024
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Spring is in the air, and along with it loads of tree, grass and weed pollen.
Apr 9, 2024
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An allergy is a hypersensitivity disorder of the immune system. Allergic reactions occur when a person's immune system reacts to normally harmless substances in the environment. A substance that causes a reaction is called an allergen. These reactions are acquired, predictable, and rapid. Allergy is one of four forms of hypersensitivity and is formally called type I (or immediate) hypersensitivity. Allergic reactions are distinctive because of excessive activation of certain white blood cells called mast cells and basophils by a type of antibody called Immunoglobulin E (IgE). This reaction results in an inflammatory response which can range from uncomfortable to dangerous.
Mild allergies like hay fever are very common in the human population and cause symptoms such as red eyes, itchiness, and runny nose, eczema, hives, hay fever, or an asthma attack. Allergies can play a major role in conditions such as asthma. In some people, severe allergies to environmental or dietary allergens or to medication may result in life-threatening reactions called anaphylaxis. Food allergies, and reactions to the venom of stinging insects such as wasps and bees are often associated with these severe reactions.
A variety of tests exist to diagnose allergic conditions. These include placing possible allergens on the skin and looking for a reaction such as swelling. Blood tests can also be done to look for an allergen-specific IgE.
Treatments for allergies include avoiding known allergens, use of medications such as anti-histamines that specifically prevent allergic reactions, steroids that modify the immune system in general, and medications such as decongestants that reduce the symptoms. Many of these medications are taken by mouth, though epinephrine, which is used to treat anaphylactic reactions, is injected. Immunotherapy uses injected allergens to desensitize the body's response.
This text uses material from Wikipedia licensed under CC BY-SA