Delayed drug allergy?

summary

Drug overdose refers to the reaction of organs and tissues caused by sensitive drugs entering human body through various ways, also known as drug reaction. About 1 / 3-1 / 4 of the side effects of drugs involve the skin, so a case of skin drug reaction was proposed. In all skin and mucous membrane drug reactions, drug eruption or drug-induced dermatitis is more prominent. Let's share my experience with you.

Delayed 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;

Most of the onset of sudden, can first have chills, discomfort, fever and other precursor symptoms; In addition to the fixed erythema, the rash was generally distributed symmetrically; Often with different degrees of systemic reactions, light may have no obvious, severe headache, chills, high fever and so on.

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; In addition to severe prognosis in bullous epidermal necrolysis, the rest are good. The following are several representative subtypes.

matters needing attention

Because the incidence rate of drug reaction is high and the harm is serious, serious patients can cause death. Therefore, it is important to pay attention to prevention. For example, doctors do not give drugs randomly, and patients do not abuse drugs.