![]() ![]() Most often (more than 50% of the time) it is not possible to determine their cause. The medicines also treat the itching and prevent new hives.Ĭhronic hives last a longer time. In most cases the hives eventually go away without treatment, but taking drugs such as antihistamines or corticosteroids help the hives go away faster. The itching, swelling, and redness of hives can last hours to several weeks or months. Whether you are able to learn the cause or not, if hives are a frequent problem, you may need to take antihistamines every day to prevent the hives. If you are able to determine the cause, the best prevention is avoiding the cause, if that's possible. Once the hives have gone and you are feeling better, you should see your healthcare provider to talk about whether you need tests to determine what caused the hives. When the emergency symptoms have been treated, you will probably be given steroid medicine-for example, prednisone-to take for the next several days to prevent the reaction from happening again. Once you are getting medical care, you will be given a shot of epinephrine (adrenaline) to stop the reaction. ![]() If your throat is swelling or you are having trouble breathing or are wheezing, call 911. But sometimes they can cause throat swelling and trouble breathing. If the rash is severe or not responding to the above treatments, your provider may prescribe an oral steroid medicine (for example, prednisone) to take for a few days. Take antihistamine medicine as directed by the label or your provider to reduce your allergic response.Avoid heat or rubbing, which releases more histamines.Soak in a lukewarm bath or use cool compresses.He or she may suggest that you do one or more of the following to relieve the itching and reduce the swelling: The treatment your healthcare provider recommends will depend on how serious your hives are. Identifying multiple allergies may require skin tests or other types of allergy tests. Identifying triggers such as emotional stress or multiple allergies may take more time. It is easiest to identify drugs, foods, or plants that may cause you to have hives because the response usually occurs within an hour. Avoid foods, one at a time, to which you may be allergic.Keep a detailed diary of everything you eat, drink, take as medicine, or are exposed to for 2 to 4 weeks.To find the cause of your hives, the healthcare provider may suggest that you: medicines (such as penicillin, aspirin, or sulfa drugs).foods (especially eggs, shellfish, milk, nuts, berries, dyes or other additives).Your healthcare provider will look at the hives and ask about your history of sensitivity to such things as: Rarely, hives may cause problems with breathing, creating the danger of a severe asthma attack or a closing of the throat from swelling, which can be life-threatening. ![]() In the case of a severe reaction-to a bee sting, for example-your face and throat may swell. Hives can be uncomfortable and they may recur. The rash may last for a few minutes or several days. They are most common on the arms, legs, and trunk. The hives may appear on any part of the body. The raised, red, itchy areas may vary in size and shape. Often the cause of the hives cannot be determined. Histamine causes the redness, swelling, and itching. Histamine, a chemical your body makes, is released in response to the irritant that causes the hives to form. Hives may also occur as a reaction to infection or emotional stress. How do they occur?Ĭlusters of hives may appear as a reaction to an allergen such as food, medicine, or an insect bite or sting. Hives What are hives? Hives are raised, red, itchy areas on the skin (also called wheals or welts) that can result from an allergic reaction. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |