Skin allergy and urticaria symptoms?

summary

In 1-2 days before the onset or a few hours before the onset, there are often general discomfort, headache, fever, poor appetite, and then the whole body suddenly windy mass. Others have no systemic symptoms.

Skin allergy and urticaria symptoms?

The wind mass is mostly light red or pale white, which can spread all over the body or be limited to a certain part. Often the rapid emergence or disappearance of ups and downs. Sometimes it can recur several times a day, and sometimes it completely subsides within a few hours. There is no trace after fading. When it invades the larynx and trachea, it often has chest tightness, asthma and dyspnea; When the invasion to the gastrointestinal tract, there can be nausea and vomiting, abdominal pain and diarrhea. The main pain of the patient is skin rash, itching, burning or needling sensation. Sometimes because of urticaria blister burst and infection, must pay attention to. The patient's skin scratch test is positive, and the acid white blood cells in the blood are often increased.

Acute urticaria where the onset of less than a month known as acute urticaria, more common in adolescents. It is characterized by acute onset, many wind masses, wide distribution, severe phlegm itching, and improvement in a week or so.

Chronic urticaria more than three months, known as chronic urticaria. It is more common in middle-aged people. It is characterized by repeated attacks, sometimes light and sometimes heavy, and often bad. It is more common in the evening or at night.

matters needing attention

The lesions of erythema multiforme were edema papules with various lesions. It lasts for a long time. Most of them are on the exposed parts of the face and limbs. The rash is dark red and mass shaped, with a ring-shaped normal skin area in the center. Sometimes the rash can appear bubble rash or bullae, often fatigue, fever, gastrointestinal discomfort, and joint pain and other symptoms.