What are the side effects of antihistamines?

Hives are a skin rash which can be caused by an allergic reaction, when the immune system responds to a substance such as a food or insect venom. Hives in this ... How long do hives last? A person can develop acute hives (or acute urticaria) or chronic hives. Acute hives typically last from a few days to 1-2 weeks. However ... Dec 4, 2023 ... Another common form of physically induced hives is called cholinergic urticaria. This produces hundreds of small, itchy bumps. These occur ... Aug 5, 2022 ... Hives (urticaria) are slightly raised, red patches of skin called wheals (or welts). they occur in groups on any part of the body and can look like mosquito ... Jan 18, 2023 ... Hives are a type of rash (raised, itchy welts) caused by the body's immune response to allergens or sometimes infections. Some people get hives when they develop an infection like strep throat, a urinary tract infection, or COVID-19. Others get hives when they have a medical ... Jul 21, 2023 ... Official answer ... Hives are raised red or skin-colored welts, rashes, spots, or map-like patches that typically flare up suddenly and have a ... A hive is a raised, extremely itchy "wheal" or bump on the skin with surrounding skin redness. Hives often last for less than a day and usually clear up within ... The best treatment for hives is to identify the allergic component and eliminate it from the patient's lifestyle. In the case of medications, however, this may ... May 1, 2011 ... Usually hives only affect the skin, but sometimes they can be part of a serious allergic reaction. When this happens, you may have other ...