avoiding hot water, which may aggravate the hives.taking antihistamines, such as diphenhydramine or cetirizine.In these circumstances, your doctor might suggest that you seek temporary relief by: You may not need prescription treatment if you’re experiencing a mild case of hives not related to allergies or other health conditions. Your doctor may also perform blood tests or skin tests to determine what may have caused your hives - especially if they were the result of an allergic reaction. Your skin will show signs of the welts that are associated with hives. In most cases, your doctor will be able to determine if you have hives from a physical exam. The first step in getting treatment is to figure out if you actually have hives. Viruses that cause infectious mononucleosis, 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. They 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 six weeks. According to the Mayo Clinic, these can last between six weeks and several months or years. Also called chronic urticaria, this condition is marked by recurring hives that can interfere with your lifestyle. Chronic hivesĬhronic hives are ongoing cases that don’t necessarily have an identifiable cause. Call 911 immediately if you suspect anaphylaxis. In this condition, hives are often accompanied with 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. medications (primarily antibiotics, cancer drugs, and ibuprofen).These can be caused by any allergen you might be sensitive to, including: The most common causes of hives are allergic reactions. As there are several potential triggers, many times the actual cause of hives cannot be determined. It’s also possible to develop hives as the result of excessive exposure to hot or cold temperatures or from irritation due to excessive sweating. It’s not uncommon for people to experience hives as the result of stress, tight clothes, exercise, illnesses, or infections. Hives might also be caused by circumstances besides allergies. In terms of allergens, hives can be caused by factors such as pollen, medications, food, animal dander, and insect bites. Unfortunately, in some people, the histamines can cause swelling, itching, and many of the symptoms that are experienced with hives. Histamines are chemicals your body produces in an attempt to defend itself against infection and other outside intruders. When you have an allergic reaction, your body begins to release histamines into your blood. Hives are usually caused by an allergic reaction to something that you have encountered or swallowed.
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