A nurse is assessing a client who has a prescription for cefaclor. Which of the following findings should the nurse recognize as an indication of an allergic reaction?

A. Hematuria is not typically associated with an allergic reaction to cefaclor. Hematuria, or blood in the urine, can indicate other medical conditions but is not a common sign of an allergic reaction to antibiotics. B. Slurred speech is not a common sign of an allergic reaction to cefaclor. Slurred speech can be a symptom of neurological issues or intoxication but is not typically related to antibiotic allergies. C. Tremor is not a typical sign of an allergic reaction to cefaclor. Tremors can be caused by various conditions, including neurological disorders and medication side effects, but they are not a common allergic response. D. Pruritus, or itching, is a common sign of an allergic reaction to cefaclor. Allergic reactions to antibiotics often manifest as skin reactions, including itching, rashes, and hives.