Beyond the Surface: Rethinking Rechallenge in Suspected Drug-Induced SSLR and Serum Sickness

Serum sickness or SSLR

IntroductionDrug-induced serum sickness-like reactions (SSLR) are a complex and often confusing condition for both patients and healthcare providers. These reactions, usually triggered by medications like beta-lactam antibiotics, can cause rash, fever, and joint pain. While SSLRs are generally thought to be milder than true serum sickness, which is caused by immune complexes circulating in the blood, the two conditions can look very similar. The real challenge? In most cases, we rely on patient history alone to make the distinction, and that can be dangerously misleading. The Diagnostic Dilemma: SSLR vs.…

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