What is the picture of allergic urticaria

summary

Allergic urticaria this disease is very easy in life because of the occurrence of allergic phenomenon, therefore, this article will share the symptoms of allergic urticaria as follows, so that we can be aware of the disease in time.

What is the picture of allergic urticaria

Symptom 1: the basic damage is the appearance of wheal on the skin. Often have skin pruritus first, appear immediately wheal, show bright red or pallid, skin color, a few patients have edematous erythema.

Symptom 2: the size and shape of the wind mass are different, and the attack time is uncertain. Due to edema of dermal papilla, the mouth of epidermal hair follicle is depressed. The wind mass lasts for several minutes to several hours, and a few of them can be extended to a few days and disappear without leaving any trace. The rashes occurred repeatedly in batches, and most of them occurred in the evening. Fengtuan is often widespread, but also limited. Sometimes combined with vascular edema, occasionally formed bullae on the surface of the wheal.

Symptom 3: after suffering from allergic urticaria, people may show a series of discomfort symptoms at ordinary times, such as nausea, vomiting, headache, head distension, abdominal pain, diarrhea. Serious patients may also have chest tightness, discomfort, pale face, accelerated heart rate, weak pulse, decreased blood pressure, shortness of breath, etc.

matters needing attention

After understanding the symptoms and characteristics of allergic urticaria, patients should also avoid high allergenic seafood such as fish and shrimp in their daily diet.