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. It is caused by abnormal immune response. Symptoms of drug allergy? Let's talk about it

Symptoms of drug allergy

There is a certain incubation period, generally 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; ② 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 severity, which are not obvious in mild cases, headache, chills and high fever in severe cases;

The rash is characterized by the occurrence of different sizes of wheal, lasting for a long time. Conscious pruritus can be accompanied by tingling and tenderness. It may be accompanied by local edema around the wind mass. Rash can appear as the only symptom, and also as a symptom of serum sickness like syndrome and anaphylactic shock.

matters needing attention

To give patients favorable conditions, avoid adverse factors, in order to smoothly through its self limited course, such as bed rest, diet rich in nutrition, maintain a suitable warm and cold environment, prevent secondary infection, etc. Laxatives and diuretics should be used as appropriate to promote the excretion of drugs in the body.