What are Heat Hives?

It is said that one-third of the world’s population has heat hives. But this fact might be hard to believe at first sight. Because what exactly are heat hives? Heat hives or hot hives as they are also known are often confused with heatstroke. Since both can cause a breakdown in normal body functions, the two conditions can be difficult to tell apart and may lead users to panic if not addressed properly.

Heat hives are a common skin condition that can happen to anyone, but they’re especially common in children.

What are heat hives?

Heat hives are red, itchy bumps that appear on the skin when you have an allergic reaction to heat or humidity. They’re also called prickly heat and miliaria Rubra.

The bumps usually disappear after 24 hours, but they can last longer if they’re not treated.

Heat hives can happen when you’re sweating from exercise or hot weather, but they can also be caused by wearing tight clothes and synthetic fabrics for long periods.

What causes heat hives?

Heat hives occur when tiny sweat glands called eccrine glands to become irritated by sweat and release histamine into the skin, causing it to swell up and form red bumps (called wheals). Heat-hive symptoms include:

Rashes that itch worse when you scratch them; redness; swelling; blisters; pimples; dry, scaly patches on your skin; small white bumps that resemble goosebumps (but without hair follicles).

When you have heat hives, you may get them on your neck, chest, arms and legs. They usually go away after several days and don’t need treatment unless they become severe or infected.