Chronic urticaria symptoms?

summary

Chronic urticaria refers to the skin, mucosa, blood vessels caused by various factors of temporary inflammatory congestion and tissue edema, the course of more than 6 weeks known as chronic urticaria. The cause is often uncertain. The clinical manifestations of the patients were wheezes and plaques on the trunk, face or limbs from time to time. Attacks range from several times a day to once a few days. Chronic urticaria symptoms? Let's talk about it

Chronic urticaria symptoms?

Before the appearance of rubella, the local skin itches or tingles, and the rash appears quickly. Some patients have systemic symptoms, such as lack of appetite, general discomfort, headache or fever, within a few hours or 1-2 days after the appearance of rubella. Rubella mass showed flat red or pale edematous spots with red halo on the edge. The rubella mass is circular, which can be called annular urticaria. Several adjacent annular lesions can be connected or fused to form a map. When there are blisters in the rubella, it is called vesicular urticaria.

Rubella often disappeared within a few hours or 1-2 days, and new lesions appeared in other parts. Rubella disappeared and no new lesions occurred within 24 hours. After the rubella disappeared, the skin returned to normal. The size and number of rubella are variable, and can appear in any part of the skin and mucous membrane. Rubella can cause itching, needling or burning sensation to different degrees. In severe cases, there are headache, fever and other systemic symptoms, especially in patients with acute urticaria, the fever can reach about 40 ℃, the blood pressure can be reduced, and even fainting and shock occur. Most patients have only itchy rubella without other symptoms.

The course of rubella is indefinite. Some rashes occur several times in a day and stop after several days or 1-2 weeks to several weeks. It is called acute urticaria. Many patients with skin rash every day, or intermittent repeatedly appear or aggravate, alleviate or disappear, up to months or years, known as chronic urticaria and special types of urticaria.

matters needing attention

Most of the patients can obtain satisfactory curative effect after antihistamine treatment, and a few patients are stubborn. For refractory urticaria, the dosage can be increased or combined. H1 receptor antagonist has a strong histamine and anti-inflammatory mediators, which is effective in the treatment of all types of urticaria. The commonly used H1 receptor antagonists are diphenhydramine, cyproheptadine, chlorpheniramine, Avastin, cetirizine, mizolastine, loratadine, ebastine, azelastine and desloratadine. Two different types of H1 receptor antagonists can be used together or combined with H2 receptor antagonists (cimetidine, ranitidine). Antale has strong antihistamine, anticholinergic and sedative effects, and the antipruritic effect is also very good. It is effective for acute and chronic urticaria and cold urticaria. Doxepin is a tricyclic antidepressant, which is mainly used in the treatment of depression and anxiety neurosis. Doxepin also has strong anti H1 and H2 receptor effects. It has better effect on chronic urticaria and less side effect.