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  2. Physical urticaria - Wikipedia

    en.wikipedia.org/wiki/Physical_urticaria

    Physical urticaria is a distinct subgroup of urticaria (hives) that are induced by an exogenous physical stimulus rather than occurring spontaneously. [1] There are seven subcategories that are recognized as independent diseases. [2] [3] Physical urticaria is known to be painful, itchy and physically unappealing; it can recur for months to ...

  3. Hives - Wikipedia

    en.wikipedia.org/wiki/Hives

    Hives, also known as urticaria, is a kind of skin rash with red and/or flesh-colored, raised, itchy bumps. [1] Hives may burn or sting. [2] The patches of rash may appear on different body parts, [2] with variable duration from minutes to days, and do not leave any long-lasting skin change. [2]

  4. What are hives? A dermatologist explains

    www.aol.com/news/hives-dermatologist-explains...

    Hives are quite common, though, so it’s a good idea to get familiar with them. Hives, or urticaria, are itchy pink welts that could appear anywhere on your skin. Some are bumps as small as a ...

  5. Autoimmune urticaria - Wikipedia

    en.wikipedia.org/wiki/Autoimmune_urticaria

    The differential diagnosis for autoimmune urticaria includes other conditions that can cause hives or similar skin reactions. [32] These can include allergic reactions, other types of urticaria such as physical urticaria (triggered by physical stimuli such as pressure, cold, or heat), and conditions such as mastocytosis and mast cell activation ...

  6. Dermatographic urticaria - Wikipedia

    en.wikipedia.org/wiki/Dermatographic_urticaria

    As it is often the result of scratches, involving contact with other materials, it can be confused with an allergic reaction, when in fact it is the act of being scratched that causes a wheal to appear. These wheals are a subset of urticaria (hives), and appear within minutes, in some cases accompanied by itching. The first outbreak of ...

  7. Doctors Explain What It Means When You Have Chills But No Fever

    www.aol.com/9-reasons-might-chills-no-210200160.html

    Chest discomfort or pain. Severe fatigue and body aches. Swelling or hives. Rapid heart rate. Change in urine color, odor, or frequency. You Might Also Like. The Best Hair Growth Shampoos for Men ...

  8. Chronic spontaneous urticaria - Wikipedia

    en.wikipedia.org/wiki/Chronic_spontaneous_urticaria

    Chronic spontaneous urticaria, despite its cause being unknown, is linked to a higher prevalence of autoimmune diseases, and is often worsened by triggers like stress, infections, certain foods, or nonsteroidal anti-inflammatory drugs. The hives and angioedema seen in CSU is thought to be linked to the degranulation of skin mast cells.

  9. What Causes Joint Pain? A Complete Guide, From Symptoms to ...

    www.aol.com/causes-joint-pain-complete-guide...

    Age. The risk of most causes of joint pain increases with age. This may be due to increased wear and stress on joints over time and a higher likelihood of other underlying medical conditions ...