Symptoms of drug allergy

summary

Drug allergy, also known as drug allergy, is an allergic reaction caused by drugs. It is a special type of adverse drug reactions. It is related to people's specific allergic constitution, only seen in a few people. With the development of medical and health undertakings, the disease has an increasing trend, and its prevention should be highly valued by doctors and patients themselves. Drug allergy generally occurs after multiple exposure to the same drug. The first onset has a latent period, and the second onset can occur immediately. Symptoms of drug allergy? Let's talk about it

Symptoms of drug allergy

The incubation period is usually 4-20 days, with an average of 7-8 days. If the patient has been sensitized, the same drug is used again, usually within 24 hours, with an average of 7-8 hours. The shortest is only a few minutes, and the later is not more than 72 hours;

Most of the patients have sudden onset, or may first have chills, discomfort, fever and other precursor symptoms; In addition to the fixed erythema, the rash was generally distributed symmetrically; It is often accompanied by systemic reactions of different degrees, which are not obvious in mild cases, and headache, chills, high fever, etc. in severe cases

The course of the disease is self limited to a certain extent, and the mild is about one week, and the severe is no more than one month; ⑥ Except for bullous epidermal necrolytic drug eruption, the prognosis is good. Rash can appear as the only symptom, and also as a symptom of serum sickness like syndrome and anaphylactic shock.

matters needing attention

Local treatment: the local treatment and nursing of severe drug eruption patients with skin and mucosal damage is very important, which often becomes the key to the success of treatment. In the early acute stage, a large amount of powder or calamine lotion can be used to protect the skin and reduce inflammation and swelling. If there is exudation, wet compress with normal saline or 3% boric acid solution, change 4-6 times a day. After drying, use 0.5% neomycin and 3% sugar distillate paste, 1-2 times a day.