What Cause Hives on Legs?

Hives on the legs are a common problem for many people and there are several possible causes. Hives on legs can be embarrassing and itchy, which can make any social situation a challenge. Knowing what causes hives on your legs will help you know how to treat them properly if this happens to you.

When hives appear on your legs, you will want to find the cause of them as soon as possible. Although there are many types of hives and the causes can vary widely, there are some general guidelines you may notice with the appearance of your hives. These general guidelines can help you identify what is causing your hive-riddled skin. After all, knowing the cause of an itchy rash can make things a lot easier!

What Cause Hives on Legs?

Hives are raised, and itchy welts can appear anywhere on the body. They can be triggered by many things, including stress, foods you eat, insect bites, or medications.

One of the most common causes of hives is stress. Stress triggers your body’s immune system to react as if you have an infection or disease. The immune system releases chemicals called histamines that cause inflammation and swelling in your body. When this happens in the skin, it makes the tiny blood vessels under the surface of your skin swell up and leak fluid into surrounding tissues. This causes hives, which appear as small red bumps on your skin with white or yellow centers (called wheals).

It’s possible to get hives in response to an allergy for example if you’re allergic to shellfish or latex but most cases of hives aren’t caused by allergies. If you have hives after eating a certain food or taking a medication, then it’s likely that there’s something else at play besides an allergy.

Hives are a symptom of an allergic reaction. They can appear anywhere but often appear on the hands or feet.

Hives are caused by histamine, a chemical that is released during an allergic reaction. Histamine causes blood vessels in the skin to dilate, which leads to a red, swollen appearance of the skin.

Several things can cause hives:

  • Contact with an allergen (like poison ivy)
  • Food allergies (such as nuts, and shellfish)
  • Injection reactions (like vaccinations)

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