It's called heat hives — this tingly, red rash can affect you in the summer or under high-stress situations. Known medically as cholinergic urticarial , heat hives are red, itchy, burning bumps caused by an allergic reaction to heat or nerves. Heat hives can happen at any age, though most cases develop during teen years and the early twenties.
Some people only experience heat hives once in their lives, but most people who get them once will deal with it throughout their lifetime. Red, burning skin irritation is the most common symptom of heat hives. But more severe symptoms like headache, wheezing or shortness or breath, cramps and other physical side effects can also accompany the rash.
External temperatures isn't the only cause of heat hives. Any activity that raises your body temperature can prompt these rashes and intense burning sensation.
If you regularly experience hives from heat, it might be more difficult to pinpoint the causes. Most often, heat-induced hives occur while sun bathing, exercising, taking a hot shower or when under stress.
Researchers have linked two neurotransmitters to heat hives:. Every case of heat-induced hives is unique. To gain relief and deal with heat hives, try these treatment options:. If you break out in heat hives often, consult a dermatologist or doctor.
Some treatment options your doctor might prescribe include:. OxyHives is a natural spray that treats heat-induced hives. Most instances of heat hives can be treated at home and eventually fade on their own. However, you should seek immediate medical attention if swelling occurs in your throat that makes it difficult to breath. You and your doctor can work to identify the specific triggers of your heat hives and develop a prevention plan with ways to ease symptoms if flare-ups do occur.
Hives, or urticaria, are itchy, raised welts that are found on the skin. Hives are often caused by an allergic reaction. Hives generally fade without treatment within 24 hours of appearing. Here's how to get rid of hives last longer. Hives are itchy welts often triggered from an allergic reaction. Some bacteria can also cause hives, meaning they can be contagious and spread.
While there isn't a clear explanation for why people get chronic idiopathic urticaria, there are several triggers that can cause symptom flare-ups. Hives can be dark red, pink, or white bumps or raised areas. They may appear for no apparent reason. Here's why they happen and what to do. Autoimmune hives may not always have a known cause, or could be due to an underlying condition. Health Conditions Discover Plan Connect.
The range of substances that can cause allergic reactions is massive and covers everything from household items to pets and many foods. Reactions like hives form when your body responds to histamine by leaking blood plasma into the top layer of your skin. They can appear just about anywhere on the body, and can last a few hours or up to a day before they fade. They can appear in small patches or join to form plaques. Pollen and ragweed are common triggers of seasonal allergies that are prevalent in the spring and fall respectively.
However, pollen is still active in the summer, along with many other allergy triggers. Exposure to certain allergy triggers is especially common in summer, including insects bites and stings, the chlorine in swimming pools, and the smoke from campfires. While not strictly an allergic reaction, heat hives are also a concern for people who undergo allergic reactions in the summer.
In some people, overheating can cause a similar histamine reaction to allergy triggers, causing outbreaks of hives. Heat hives usually disappear about an hour after they show up though like other hives, they can last up to a day on the skin, and can be extra troublesome when they combine with other summertime allergies.
Hives and other allergic reactions can be treated with numerous home remedies, over the counter medicines, and prescription medications. Topical treatments like oatmeal, calamine lotion and aloe vera are often used to soothe the skin as well as reduce inflammation and other symptoms. Depending on the severity and frequency of outbreaks, you may need to take medication that prevents allergic reactions, rather than focusing on treating symptoms when they occur.
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