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When you break out in hives, you want relief fast.

This common skin reaction is characterized by itchy bumps or raised, swollen patches. Fortunately, hives are usually harmless and short-lived, a Chicago dermatologist says.

"A single hive tends to last for a few minutes to a few hours. Most hives clear within 24 hours," Dr. Danilo Del Campo said in an

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  • February 20, 2022
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  • Some kids might be able to get over their peanut allergy if they start immunotherapy while they're still toddlers, a major new clinical trial reports.

    In the trial, a group of 1- to 3-year-olds with severe peanut allergies were safely fed gradually increasing daily doses...

    Dermatologists liken skin to a window that can reveal what is going on inside the body, and a rash that sometimes follows a COVID-19 vaccine is one example.

    When you get the shot, your immune system activates, preparing to recognize and fight off the virus in the future. This response and the inflammation that goes with it can occasionally result in a rash. But experts say as long as it h...

    A new drug to treat chronic hives is producing solid results in clinical trials, and could be available to people suffering with the maddening itchy welts within a year or so, researchers say.

    Ligelizumab works by targeting an immune system antibody called immunoglobulin E (IgE), which is responsible for the allergic reaction that causes hives, said lead researcher Dr. Marcus Maurer....

    The idea behind immunotherapy for peanut allergy is appealing in its simplicity: Ask a patient to eat tiny amounts of peanut every day, and over time their immune system will become desensitized to it.

    Unfortunately, this cure might be doing more harm than the allergy itself, a new evidence review suggests.

    People who undergo immunotherapy for their peanut allergies wind up with...

    Allergies to vaccines are extremely rare and even when they do occur, allergists can safely administer vaccines, Canadian experts report.

    Immunoglobulin E (IgE) allergies that cause hives, swelling, wheezing or anaphylaxis occur in only 1 of 760,000 vaccinations.

    Such a reaction typically starts within minutes of a shot, is unlikely to occur after 60 minutes, and is highly u...