How to distinguish cold urticaria?

summary

Sometimes I feel like I'm dying of this disease. To treat cold urticaria, we need to avoid the influence of some things. Everyone should be very clear. The occurrence of cold urticaria has caused great trouble and influence to patients, and the physical and mental health of patients is threatened. If we know the diet knowledge of urticaria, The control and treatment of the disease is of great benefit to the spleen, so many patients especially want to know, how to distinguish cold urticaria??

How to distinguish cold urticaria?

First: the rash is wheal, tide erythema, different sizes, different shapes. It often occurs suddenly, appears in batches, and subsides quickly after a few hours, leaving no trace. But it can be repeated.

Second: conscious pruritus, can be accompanied by abdominal pain, nausea, vomiting and chest tightness, palpitations, dyspnea, a small number of fever, joint swelling, hypotension, shock, laryngeal edema, asphyxia symptoms.

Third, the course of disease is different, the course of acute urticaria is less than one month; More than 1 month is chronic; Skin scratch test showed positive reaction in some cases.

matters needing attention

Seafood is the most sensitive to skin diseases. Patients with chronic urticaria should pay special attention to it. This kind of food mainly includes hairtail, yellow croaker, pomfret, clam, shrimp, crab and other aquatic products. Most of these foods are salty, cold and fishy. For people with allergic constitution, it is easy to induce allergic diseases such as asthma and urticaria. At the same time, it is also easy to induce skin diseases such as sore, swelling and poison.