For some people, winter is not just making annoyed because of physical discomfort. In addition, exposure to weather can trigger asthma attacks, make dry skin, and induce joint pain. In fact, there are also really do not like winter because of allergies.
People who have an intense physical reaction to low temperatures, including skin rash, itching, swelling, fatigue, anxiety, headache and wheezing or difficulty breathing should be vigilant. It means they suffer from cold urticaria or cold-induced urticaria which is a medical way of saying that your body reacts very negatively to cold temperatures.
Most people with cold urticaria have an allergic reaction similar to other allergies. But much more difficult to avoid because of cold urticaria can be triggered not only cold but also swim in cold water, being in an air conditioned room, even sipping a cold drink.
15-25 percent of people in America suffered cold urticaria once in their lives. Although, according to immunology expert, Sandra Hong, most people will find the symptoms in five years.
Get to know some of the common symptoms of an allergic cold, so you can instantly cure, Bustle page reported on Monday (01/30/2017).
1. Hand Swelling
This sign can be a symptom of some health problems associated with cold weather. This problem is not exclusive to exposure to outdoor weather. Some patients may even experience swelling after holding a cold drink.
Swelling often occurs in the hands or can also appear in other places. The most dangerous, some cold urticaria patients may experience swelling in the throat that could cause potential death.
2. Red Leather
People with allergies to cold will often find parts of their bodies exposed to low temperatures turned deep red. This redness will not go away quickly after getting into a warm environment.
In some cases, the symptoms are really bad when patients survive with these symptoms for 24 hours.
Cold urticaria is similar to many other allergic reactions. Lisa Sanders, MD, at the New York Times said, “An allergic reaction occurs when multiple exposures triggers white blood cells … to release chemicals into the bloodstream. It causes swelling, itching, and other skin, and the change of the general for an allergic reaction. ”
Itching to be one of the common signs of exposure to allergens including cold allergy. Doctors often test the cold urticaria by gluing ice directly to the skin to see if there are any signs of redness, itching, or swelling
According to the Mayo Clinic website, people with severe cold allergy may feel dizzy after exposure to cold. Unlike other symptoms, dizziness because of cold allergies can be dangerous, and especially sufferers often experience it while swimming or walking. The risk of allergy sufferers will be confused.
5. The Descendants
Though researchers are still hard to say cause cold urticaria, in many cases allergies can develop after exposure to the virus or other diseases. Recent studies have shown that cold allergies can be derived from family.
Research conducted in 2012 in the laboratory of allergic diseases at the National Institute of Allergy and Infectious Diseases, cold urticaria is often transmitted from genetic.