How long can hives last? Hives can last a variable amount of time. Usually, eruptions may last for a few minutes, sometimes several hours, and even several weeks to months. Most individual hives last no more than 24 hours.
A cold compress can be used as often as necessary.
- Bathing in an anti-itch solution. Oatmeal and baking soda baths can soothe skin and reduce irritation.
- Applying aloe vera. The healing properties of aloe vera may soothe and reduce hives.
- Avoiding irritants.
You can use over-the-counter topical treatments like calamine lotion or hydrocortisone cream, too. However, some people can be sensitive to certain topical medications. Children may have a bad reaction to corticosteroids, such as hydrocortisone cream.
If you develop hives and they last longer than six weeks, you may have a condition known as chronic hives. Also called chronic urticaria, this condition causes unpleasant symptoms that may interfere with your daily activities.
10 Hacks to Make Life with Chronic Idiopathic Urticaria Easier
- Lotion.
- Oatmeal baths.
- Cold therapy.
- Vitamin D.
- Clothing.
- Anti-itch creams.
- Resist scratching.
- Track triggers.
Hives and itching often worsen at night because that's when the body's natural anti-itch chemicals are at their lowest.
Treatments Doctors Use for HivesDoctors usually prescribe antihistamines as a first course of treatment for hives. Acute cases can generally be treated with over-the-counter antihistamines like Benadryl, Claritin (loratadine), Allegra (fexofenadine), and Zyrtec (cetirizine).
If antihistamines don't help, your doctor might have you add H2 blockers, commonly used to treat heartburn. Histamines not only cause allergic reactions that can lead to hives, but also stimulate cells in the lining of your stomach that produce hydrochloric acid.
The most common foods that cause hives are nuts, chocolate, fish, tomatoes, eggs, fresh berries, soy, wheat, and milk. Fresh foods cause hives more often than cooked foods. Certain food additives and preservatives may also be to blame.
Doctors usually prescribe antihistamines as a first course of treatment for hives. Acute cases can generally be treated with over-the-counter antihistamines like Benadryl, Claritin (loratadine), Allegra (fexofenadine), and Zyrtec (cetirizine).
When someone is lying in bed, this is typically the arms, legs, or neck. Hives can appear anywhere on the body. Other people: If there is even one person in your household suffering from the same skin irritation as you, it's likely that you have bed bug bites.
Hives are not contagious and are not spread from person to person. For an individual affected by hives, the rash can occur in localized areas or over many areas such as the chest, back, and extremities. For some individuals, the stronger the allergic response, the more quickly and widespread over the body hives may be.
What do stress hives look like? Stress hives can look a little like bug bites: both are red, puffy, and itchy, and may appear initially as individual bumps, says Stevenson. However, hives are more often irregular in shape and can join together in larger patches, especially if you scratch them.
The most prevalent types of insect bites involved in the disorder come from fleas and mosquitoes. Other insects that have been known to cause papular urticaria include: carpet beetles. bed bugs.
What do hives look like? Hives (medically known as urticaria) appear on the skin as wheals that are red, very itchy, smoothly elevated areas of skin often with a blanched center. They appear in varying shapes and sizes, from a few millimeters to several centimeters in diameter anywhere on the body.
In terms of allergens, hives can be caused by factors such as pollen, medications, food, animal dander, and insect bites. Hives might also be caused by circumstances besides allergies. It's not uncommon for people to experience hives as the result of stress, tight clothes, exercise, illnesses, or infections.
The most common causes are foods, medications, and infections. Insect bites and diseases may also be responsible. The most common foods that cause hives are nuts, chocolate, fish, tomatoes, eggs, fresh berries, and milk. Fresh foods cause hives more often than cooked foods.
If you're experiencing bumps that are itchy, inflamed, and swollen, you probably have hives. Hives can often be treated at home or go away on their own without treatment. If the bumps are hard or filled with pus or something other than clear fluid, they may be a sign of an underlying medical condition.
Wear loose-fitting, cotton clothes. Apply a cold compress, such as ice cubes wrapped in a washcloth, to the itchy skin several times a day—unless cold triggers your hives. Use anti-itch medication that you can buy without a prescription, such as an antihistamine or calamine lotion.
Infection-induced hivesViruses that cause infectious mononucleosis, hepatitis, and colds often cause hives.
When to see a doctorSee your doctor if your symptoms continue for more than a few days. If you think your hives or angioedema were caused by a known allergy to food or a medication, your symptoms may be an early sign of an anaphylactic reaction.
“Hives are characterized by red or pale-colored welts on the skin, which typically come and go throughout the day,†says Sourab Choudhury, DO, a dermatologist and the chief medical officer at the Dermatology Specialists, a private dermatology practice in New York City. “Sometimes they itch, burn, or sting.â€