Drug eruption
Drug Eruption
Drug eruption (pronunciation: /drʌɡ ɪˈrʌpʃən/) refers to an adverse skin reaction caused by a drug. Drug eruptions can manifest in many different ways, including rashes, blisters, or hives.
Etymology
The term "drug eruption" is derived from the Latin eruptio, meaning "a breaking out," and the English word "drug," which refers to a substance used to treat, cure, or prevent disease.
Types of Drug Eruptions
There are several types of drug eruptions, including:
- Fixed drug eruption: A skin reaction that occurs in the same place each time the drug is taken.
- Morbilliform drug eruption: A rash that looks like measles and is the most common type of drug eruption.
- Urticarial drug eruption: A reaction that causes hives or welts on the skin.
- Bullous drug eruption: A severe reaction that causes large, fluid-filled blisters.
- Lichenoid drug eruption: A reaction that causes lesions similar to lichen planus.
Causes
Drug eruptions can be caused by a wide range of medications, including antibiotics, nonsteroidal anti-inflammatory drugs (NSAIDs), anticonvulsants, and certain cardiovascular drugs. The exact cause of drug eruptions is not always known, but it is believed to be an immune response to the drug.
Diagnosis
Diagnosis of a drug eruption is typically based on the patient's medical history and a physical examination. In some cases, a skin biopsy may be performed. The Naranjo scale is often used to determine the likelihood that a drug caused the reaction.
Treatment
Treatment for a drug eruption typically involves discontinuing the drug and managing symptoms. In severe cases, hospitalization may be required.
See Also
- Adverse drug reaction
- Drug allergy
- Drug-induced lupus erythematosus
- Stevens-Johnson syndrome
- Toxic epidermal necrolysis
External links
- Medical encyclopedia article on Drug eruption
- Wikipedia's article - Drug eruption
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