The first step in getting treatment is to figure out if you actually have hives. Viruses that cause infectious mononucleosis (mono), hepatitis, and colds often cause hives. Common bacterial infections causing hives include urinary tract infections and strep throat. Infection-induced hivesīoth viral and bacterial infections can cause hives. Exposure to sunlight or tanning beds may also bring about solar hives in some people. Cold-induced hives may occur from cold water or air exposure, while body heat from physical activity may cause exercise-induced hives. Sometimes changes in temperature can induce hives in people who are sensitive to such changes. Dermatographism usually clears up on its own in a short period of time without treatment. Excessive scratching or continuous pressure on the skin causes it. This form of acute hives is considered mild. Chronic hives may also be a symptom of an underlying health problem, such as: While not life threatening, this form of hives can be uncomfortable and difficult to treat. You may suspect chronic hives if you have welts that don’t go away within 6 weeks. Chronic cases can last between weeks to several months or years. Also called chronic urticaria, this condition is marked by recurring hives that can interfere with your daily life. Chronic hivesĬhronic hives are ongoing cases that don’t necessarily have an identifiable cause. Call 911 or your local emergency services immediately if you suspect you’re experiencing anaphylaxis. In this condition, hives are often accompanied by breathing difficulties, nausea or vomiting, severe swelling, and dizziness. AnaphylaxisĪnaphylaxis is a severe, life threatening allergic reaction. Mild cases of hives caused by allergies are typically treated with long- or short-term allergy medications and avoidance of the trigger.
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