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The Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS) is a serious adverse reaction that occurs weeks after the onset of drug exposure. DRESS syndrome is commonly associated with antiseizure drugs, sulfa drugs, and antibiotics.
This was a case report of a 20-year-old female who suffered from DRESS due to vancomycin with symptoms similar to the Redman syndrome. The patient was a case of Infective endocarditis due to methicillin-resistant Staphylococcus aureus (MRSA), and vancomycin was intravenously administered. On the 18th day, during the administration of vancomycin, the patient developed sudden severe flushing over the face and trunk. The offending drug was suspended and treated with antihistamines in view of Redman syndrome. Later, the patient developed uncontrolled fever, desquamating rash all over the body, severe pruritis, and eosinophilia. On applying the RegiScar score, a probable case of DRESS was diagnosed. The patient was managed symptomatically and discharged.
The clinical presentation of DRESS includes skin rash, fever, eosinophilia, and organ involvement. But, in this case, there was a varied initial presentation of DRESS with severe flushing, which mimics the Redman syndrome due to vancomycin. Difficulty in establishing organ involvement remained a challenge in diagnosing DRESS.
DRESS can have a varied clinical presentation. Careful monitoring of all vital parameters is important in preventing the misdiagnosis of DRESS syndrome.