Hives, also known as urticaria, are raised, itchy welts that can appear anywhere on the body. They are caused by the release of histamine and other inflammatory mediators from mast cells in the skin. Hives can be acute, lasting for less than six weeks, or chronic, lasting for more than six weeks.
There are many different things that can cause hives, including:
Hives are typically diagnosed based on a physical examination. Your doctor may also order blood tests or other tests to rule out other conditions.
There are a variety of treatments for hives, depending on the cause. Treatment options include:
There are a few things you can do to help prevent hives, including:
You should see a doctor if your hives:
In addition to the treatments listed above, there are a few other things you can do to help calm the itch of hives, including:
Hives can be a frustrating and uncomfortable condition, but there are a variety of treatments and self-help measures that can help to relieve symptoms. If you have hives, it is important to see a doctor to rule out any underlying medical conditions and to get the best possible treatment.
Table 1: Common Allergens That Can Cause Hives
Allergen | Food | Medication | Insect |
---|---|---|---|
Peanuts | Shellfish | Penicillin | Bees |
Milk | Eggs | Aspirin | Wasps |
Wheat | Soy | Ibuprofen | Ants |
Tree nuts | Fish | Acetaminophen | Mosquitoes |
Latex | Fleas |
Table 2: Physical Factors That Can Trigger Hives
Factor | Example |
---|---|
Heat | Hot baths, saunas, or exposure to the sun |
Cold | Cold weather, swimming in cold water, or touching cold objects |
Pressure | Tight clothing, belts, or backpacks |
Sunlight | Exposure to ultraviolet rays from the sun |
Table 3: Emotional Factors That Can Lead to Hives
Factor | Example |
---|---|
Stress | Work stress, financial problems, or relationship issues |
Anxiety | Worries, fears, or phobias |
Depression | Sadness, hopelessness, or loss of interest in activities |
Table 4: Treatments for Hives
Treatment | How it Works |
---|---|
Antihistamines | Block the effects of histamine, which can help to relieve itching and swelling |
Corticosteroids | Reduce inflammation. They can be taken orally or applied topically to the skin |
Epinephrine | A medication that can be used to treat severe allergic reactions. It is typically given by injection |
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