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Doctors say hives usually don't last long, and you can typically treat them at home. ... These could be signs of anaphylaxis, a severe allergic reaction that can be life-threatening.
Hives, or urticaria, is a form of skin rash with red, raised, itchy bumps. [1] They may also burn or sting. [2] Hives can appear anywhere on the surface of the skin. Whether the trigger is allergic or not, a complex release of inflammatory mediators, including histamine from cutaneous mast cells, results in fluid leakage from superficial blood ...
The underlying cause of dermatographism is not known, and it can last for many years without relief. The condition may subside and be effectively cured; however, it is often a lifelong ailment. [dubious – discuss] It is not a life-threatening disease, and it is not contagious. [citation needed]
The link between hives and stress is strongest for people who have autoimmune conditions or have other allergy issues and are predisposed to getting hives. But, let's be honest, it can be ...
Other people, however, can develop overwhelmingly itchy, raised red welts that look like mosquito bites or hives. Other symptoms: ... which can be life-threatening.
Acute urticaria (short-term): can develop suddenly and will last less than six weeks. [6] About one in six people will have acute hives at one point in their life. [6] Chronic urticaria (long-term): can develop suddenly and will persist more than six weeks. [6] This type of urticaria is uncommon [6] and occurs in only 0.1% of the population.
Severe itching usually follows, and scratching the area only serves to further symptoms. Symptoms can be mild (flushing and hives that require no treatment), moderate (diarrhea, tachycardia, nausea/vomiting, headache, and fainting), or life-threatening (vascular collapse requiring emergency treatment and hospitalization). [citation needed]
From stress to allergic reactions, these are some common reasons you could be breaking out in hives.