why do you get hives at night
Hives at night are usually caused by the same kinds of things that cause hives in the daytime. That means they typically result from various allergic reactions or sometimes insect bites. There is a tendency for hives to become more severe at night because the bodyвs natural coping mechanisms relax a bit as people go to sleep. Sometimes, individuals may also have a specific
to something directly related to their sleeping situation or habits. The human body has anti-inflammatory chemicals produced through natural processes, and these tend to lessen itching sensations. For example, if someone is bitten by an insect, he or she may experience some level of discomfort and itching, but it would often be worse without the presence of these chemicals. When people go to sleep, the inner processes that create the suppressant chemicals tend to slow down, which often causes any itching to worsen. When the anti-inflammatory chemicals recede, things that happened during the day may suddenly cause exaggerated effects. For example, if someone was exposed to a substance that he was allergic to during the day, he may not even notice the symptoms at the time of exposure, but they could become much more noticeable at night. When hives at night are caused by things that happen during the daytime, it can be more difficult to figure out what allergen is responsible. Sometimes, hives may appear at night, then go away the next day, only to return again the next night; this could go on for a while in some cases.
For some people, the cause of hives that appear at night is more directly related to something that happens in the moments during or before sleep. For example, individuals may have sheets on their beds made of a material they are allergic to. Itвs also possible for a person to expose himself to some chemical during his preparations for sleep, such as a particular soap used while showering. The treatment for hives is usually different depending on the cause. In the best-case scenario, it may be possible for someone to simply change to a different kind of sheet or pillow fabric. In other cases, it can be more complicated, and some people may not be able to easily discover the source of their hives. One common treatment option is for people to take some kind of right before bedtime, and this can often be enough to suppress the. Others rely on various anti-itching creams to deal with the symptoms. Breaking out in hives is the worst: your skin itches all over, you're covered in unsightly red welts, and, as if that weren't bad enough, it's not always clear what might have triggered them. What we do know: hives, also known as urticaria, can appear anywhere on the body, including your face, torso, arms, legs, and even inside your mouth and ears. They may range in size from as. Hives typically crop up when you have an reaction to a substanceБpet dander, pollen, latexБtriggering your body to release histamine and other chemicals into your blood.
That's what causes the itching, swelling, and other symptoms. б б Whether someone falls into the category of acute hives (lasting six weeks or less) or chronic hives (more than six weeks), there are a few concrete causes of those pesky red bumps: Your diet If you tend to break out in hives after eating shellfish, peanuts, tree nuts, eggs, milk, and berries, then you may have a food allergy, says Debra Jaliman, MD, a New York City-based dermatologist and the author of Skin Rules. б б For some, the culprit is obviousБthey'll eat a peanut butter cookie, for example, and immediately break out in a rash. For others, it's not so cut and dry; symptoms can take several hours to develop. Either way, make an appointment with your doctor if you suspect you have a food allergy. Dr. Jaliman says you'll likely be put on an where you reintroduce one potentially triggering food every week. БLetБs say youБre not eating any of the hives foods and then you add back shellfish and you get the hives again. Then you can pretty much figure it out,Б Dr. Jaliman says. After you determine the culprit, nix it from your diet to prevent mild symptoms from becoming chronic. Dr. Jaliman says you'll likely be prescribed an EpiPenБif you accidentally ingest a trigger food, you could get hives in your throat, which can be dangerous. б The great outdoors Insect bites and exposure to pollen can make you break out in hives, but you probably already knew that.
What you may not have realized is that direct sunlight, cold temperatures, or strong winds can also bring on hives. And no, this doesnБt mean youБre allergic to the elements. БItБs really more that your skin is very sensitive,Б says Marilyn Li, MD, a Los Angeles-based allergist and immunologist. RELATED: While avoiding these triggers could prevent hives from returning, Dr. Li says your doctor may be able to provide an antihistamine that could solve a weather- or temperature-based problem. That way, you can enjoy a hike on a sunny summer day or hold a cold can of beer on the weekend without worrying about a potential hives outbreak. An underlying illness Chronic hives can be a telltale sign of a larger problem, and extensive blood work may be necessary to pinpoint the underlying issue. Dr. Jaliman says patients with, lymphoma, disease, hepatitis, or may have hives as a symptom of their illness. Since these people tend to suffer from chronic hives, medications are the most reliable form of relief. If youБve contracted a virus, that could be a cause for hives as well. Dr. Li says hives caused by viruses typically last for six weeks, so if your rash persists for longer, see an allergist to determine another possible cause. RELATED: Your daily sweat session While your morning jog or post-work weightlifting regimen can boost endorphins, your daily dose of exercise could also be causing you to break out in hives.
Why? According to Dr. Jaliman, the body produces acetylcholine, a chemical that can inhibit cell breakdown, as a response to exercise. For some people, the acetylcholine will disrupt skin cells, thus irritating the skin and creating a rash the same way histamine does. Dr. Li says sweating can also signal a breakout for those prone to hives. The sweat itself doesnБt cause hives, but indicates your body heat rising. For some, excess warmth on the skin, from a workout or other body-heat inducing activity, is enough to produce hives. БEven taking a hot shower makes them break out,Б Dr. Li says. Emotionally charged situations Intense emotional responses can trigger a hives outbreak. For those with chronic hives, or hives that persist for more than six weeks at a time, and anger can heat up the body and cause it to release histamine. БIБve seen kids break out in hives from having a temper tantrum,Б Dr. Li says. БCertainly, stress thatБs anxiety-related can cause more itching in patients who have hives and they start to have more hives as a result of itching and scratching the existing ones. Б For those with chronic hives from heat-induced or illness-induced activities, Dr. Li suggests visiting a doctor to pinpoint the symptoms and receive an antihistamine prescription. БThe solutions are individualized and many times may involve just taking a little more medication,Б she says.
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why do you get hives at night