Every year, when it gets cold, many people not only face many respiratory diseases but also have to "headache" in dealing with weather allergies.

According to Dr. Nguyen Thanh (Former Head of Medical Examination Department, Central Hospital of Dermatology), seasonal allergies can only be cured, but cannot be cured permanently. It is important to actively prevent and calmly handle the disease to avoid serious complications.

2 common allergies in the cold season 

Urticaria due to cold

With allergic cold urticaria, the main cause is because the body is exposed to cold temperatures, the body must produce more histamine and other immune system chemicals into the skin ... thereby causing redness. , itching, swelling and rash on the skin.

The basic signs that can recognize cold urticaria are red, itchy rashes on the area of the skin exposed to the cold,swollen hands when exposed to cold objects, swollen lips when eating cold foods. And in severe cases, the patient may have swelling of the tongue and throat, leading to a blocked airway. 

Allergic rhinitis

The weather changes seasons and turns cold when winter comes with cold and dry air waves, plus a polluted environment, lots of smoke and dust are the causes of allergic rhinitis.

The most noticeable manifestation of allergic rhinitis is usually sore throat, hoarseness, sneezing, runny nose, itchy nose, pain. nasal area, nasal congestion, fatigue, sometimes headache, itchy eyes, watery eyes..

Source: Life & Health Newspaper.