Cold allergy or cold urticaria is a cold skin reaction that occurs a few minutes after exposure to the cold.
During Mayo Clinic notifications, in case of cold attack, the affected skin becomes reddish and itchy.
Always from the same source, people allergic to cold have very different symptoms. Some have insignificant reactions, while others have severe reactions, ranging from low blood pressure, fainting to shock.
Allergies choices explained, most cases of cold allergies occur in younger adults, aged 18 to 25, but can usually occur at any age. Cold allergies are more common in women.
Symptoms of cold allergy
Signs and symptoms of cold allergy include:
- Temporary redness, itching on the affected area of the skin is cold
- The reaction gets worse when the skin warms up
- Swelling occurs when the hand while holding a cold object
- Swelling of the lips when consuming cold food or cold drinks
More reactions include:
- Whole body response (anaphylaxis), which may occur in case of allergy to cold: fainting, palpitation, swelling of limbs and shock
- Swelling of the tongue and throat, which can make breathing difficult
- Cold allergy symptoms begin as soon as the skin is exposed to a sudden drop in air temperature or cold water.
- Wet and windy conditions can make torch symptoms more likely. Each phase can last about two hours.
- The worst reaction usually occurs when you swim in cold water. The effect may be a loss of consciousness to sink.
What causes cold allergies?
"For the most part, the cause of cold allergies can not be identified," said Demetrios Theodoropoulos, Allergy Expert, MD, DSC, MSc, FACMG, FAAP, at Allergy Associates of La Crosse.
"Most cases will improve with time, sometimes cold allergies are caused by allergies underlying respiratory infections, such as mycoplasma, or immune system problems. If you experience this type of itching, be associated with hemoglobinuria (red or colored urine such as tea), in which case an assessment by a specialist is necessary, "he said.
Prevention of cold allergies
- The following tips can help prevent recurring cold allergies:
- Take antihistamines before exposure to cold.
- Take the medicines that the doctor recommends according to the prescription.
- Protect your skin against cold or sudden temperature changes.
- If you are going to swim, first immerse your hands in the water and see if you feel a skin reaction.
- Avoid cold drinks and foods to avoid swelling of the throat.
- If your doctor prescribes an epinephrine autoinjector (EpiPen, Auvi-Q, etc.), store it and take it with you to help prevent serious reactions.