12
Feb
How Long Can Hives From Allergic Reaction Last. Typically hives due to a medication will last for only a few days. Usually this type of hives is caused by food or drug reactions. A very severe allergy can trigger anaphylaxis which is a severe life-threatening reaction that involves multiple body systems. Hives or urticaria are the red raised and itchy areas on the skin which can range in size.
Healthcare providers cannot know ahead of time if you will have an allergic reaction. If you are in contact with a said allergen it might even take months to recover from and can lead to lasting damages to your organs. The cause of chronic hives is. Typically hives due to a medication will last for only a few days. This is known as acute hives. In most cases the hives will go away in a few days or weeks but for some people things are a bit more complicated.
The most common causes are foods medications and infections.
Typically hives due to a medication will last for only a few days. The antibiotics most likely to cause an allergic reaction are penicillins and. Each hive lasts less than 24 hours. Gary Steven answered 30 years experience Pediatric Allergy and Asthma Less than one week. If the exposure to the allergen continues such as during a spring pollen season allergic reactions may last for longer periods such as a few weeks to months. They may take a few hours to a few days to disappear.