26
Apr
How Long Does Hives From Allergic Reaction Last. Acute hives often occur as a result of an allergic reaction to something like food or medication though they can be caused by other things as well. Chronic or persistent hives are hives that last for more than 6 weeks but they normally last between 6 and 12 months sometimes longer according to the British Association of Dermatologists. Most commonly a majority of people will have clear skin after about one to three weeks but a rash can last for over six weeks in more severe cases. This is known as acute hives.
The most common causes are foods medications and infections. 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. If you have an eczema flare-up it can last from several days to several weeks. These are hives that last less than 6 weeks. 30 years experience Pediatric Allergy and Asthma. They may take a few hours to a few days to disappear.
Hives launched by food usually disappear within a few hours.
Acute hives Most cases of hives last no longer than six weeks. Otherwise treatment for acute hives involves oral antihistamine medications to help relieve the itching and stinging. However breastfeeding strengthens a babys immune system reducing the likelihood of allergies. Heres how to get rid of hives last longer. Most commonly a majority of people will have clear skin after about one to three weeks but a rash can last for over six weeks in more severe cases. Hives launched by food usually disappear within a few hours.