Chronic hives can be the result of an autoimmune condition like rheumatoid arthritis or lupus. If you think that you might have chronic hives, you should see a doctor to help identify any possible triggers and causes.
A doctor may also be able to prescribe medications to help you control your symptoms. Physical urticaria is the medical name for any type of hives that are triggered by a distinct, physical stimulus.
For example, some people break out in hives when they sweat, or rub their skin. Other people find that cold temperatures, sunlight or friction trigger an outbreak, and in some rare cases, water can also be a trigger for hives. If you have physical urticaria, your hives will normally develop within minutes, and then fade within 1 hour.
If you think that you may have this form of hives, try to identify your triggers and avoid them as much as you can. You may also find that it helps to take an antihistamine when you break out in a rash, but you should see a doctor if you intend to take antihistamine medications for more than a couple of days in a row. You should see a doctor if your symptoms do not improve after 2 days, your rash seems to be getting worse or your hives keep going away and then coming back, as this could be a sign that you are allergic to something.
You should also see a doctor if you have a high temperature or notice any swelling under your skin angioedema. We include references at the end of every article, so you know where we get our facts. When we talk about popular health trends or claims, we'll always tell you if there's very little or no evidence to back them up.
Our medical team also checks our sources, making sure they're appropriate and that we've interpreted the science correctly. Erythema multiforme is a skin reaction usually mild caused by an allergy or infection. Rosacea is a common but poorly understood long-term chronic skin condition that mainly affects the face. Symptoms begin with episodes of flushing w Granuloma annulare is a rash that looks like a ring of small bumps.
It usually affects only 1 to 2 areas, but in rare cases, it can be more widespread The chickenpox virus, for example, can cause itchy spots in children.
Years later, in older adults, the same virus may reappear as shingles, bringing a painful rash and high fever. Vaccines can prevent several rash-causing diseases, including chickenpox, shingles and measles.
Certain drugs, including antibiotics like amoxicillin, may also cause itchy skin rashes. As with other allergies, a reaction to a drug may not occur the first time you take it.
It could show up after several uses. Not all drug rashes are due to an allergy, however. If you break out in itchy spots after starting a new drug prescription, contact your doctor right away. While most rashes get better with time, some can last a lifetime. Psoriasis, a condition where skin cells build up into thick red patches, tends to run in families. Even though none of these genes alone has a great effect on the disease, knowing which genes are involved can help researchers design potential new treatments.
Other long-term diseases that can produce rashes include autoimmune diseases, such as lupus, and some forms of cancer. Your skin is your protection. Take care of your skin so your skin can take care of you. Learn About Burn Care. Funky Fingertips? Editor: Harrison Wein, Ph. Managing Editor: Tianna Hicklin, Ph. Illustrator: Alan Defibaugh.
Attention Editors: Reprint our articles and illustrations in your own publication. Rashes Also called: Dermatitis, Skin rash. Learn More Related Issues Specifics.
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First Aid: Rashes Nemours Foundation. Related Issues.
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