2nd October 2019

merckmanuals
15

What is drug rash?

Drug rashes usually are caused by an allergic reaction to a drug. Typical symptoms include redness, bumps, blisters, hives, itching, and sometimes peeling, or pain.

Similarly, you may ask, what is the meaning of Morbilliform?

Morbilliform refers to an eruption resembling measles (generalized coexistence of dusky-red macules and papules). In some contexts, this term refers to eruptions in which papules are arising from macules. Morbilliform reactions can be drug-induced, for example by penicillin.

What is morbilliform drug eruption?

Morbilliform drug eruption is the most common form of drug eruption. Many drugs can trigger this allergic reaction, but antibiotics are the most common group. The eruption may resemble exanthems caused by viral and bacterial infections. A morbilliform skin rash in an adult is usually due to a drug.

What is a Scarlatiniform rash?

Incubation is 2 to 4 days (range 1 to 7 days). Onset of the illness is usually sudden with fever. Often prodrome of sore throat, fever, headache, vomiting, abdominal pain, myalgia. Tachycardia accompanies the fever. Scarlatiniform rash appears on the second day of illness.
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