What are the main types of drug eruption?

summary

? Drug eruption is a kind of common skin allergy. When many people get drug eruption, they don't know how to divide the types of drug eruption, so the treatment is not targeted, and the relative effect will not be very good. In fact, there are many types of drug eruption. Let's have a look.

What are the main types of drug eruption?

   erythema multiforme can be caused by drugs. Its skin rash is characterized by round or oval edematous erythema or papule, which is large like pea to broad bean. There are often blisters in the center, with purple edges. Symmetrical erythema multiforme occurs in the limbs, often accompanied by fever, joint pain, abdominal pain, etc. in severe cases, it is called Stevens Johnson syndrome, which can cause erosion and pain of mucosal blisters. The course of disease is usually 2-4 weeks.

Drug hypersensitivity syndrome (DHS) is a drug-induced heterogeneous reaction characterized by fever, rash and visceral organ damage (especially liver). It may occur 7-28 days or longer after the initial application of the drug. If the drug is used again in the future, the disease can occur within one day. The initial symptom was fever, with a peak temperature of 40 ℃. The second was perioral and facial edema, cervical or systemic lymphadenopathy and laryngitis. The lesions began on the face, upper trunk and upper limbs. For erythema, papules or measles like rash, gradually turned dark red. Fusion and progressive development of erythroderma.

The form of photosensitive dermatitis is like eczema, which is more serious in the exposed part, but it can also occur far away from the exposed part. After withdrawal, the reaction lasted for several weeks. When the drug is used again and the skin is irradiated with light, the eczema like reaction can be aroused within 48 hours. It can be divided into phototoxicity and photosensitivity.

matters needing attention

These are the types of drug eruption we often encounter in our daily life. Most of the time, the treatment of drug eruption requires us to identify which kind of drug eruption is. I hope everyone can understand this, so that we can cure the drug eruption in time.