A nurse is providing discharge instructions to a patient prescribed erythromycin for a respiratory infection. Which patient statement indicates a need for further education?

A. "I should take erythromycin on an empty stomach.": Erythromycin is best absorbed when taken on an empty stomach, either one hour before or two hours after meals. Taking it this way helps achieve optimal serum concentrations and therapeutic effectiveness. B. “I should take erythromycin as scheduled, generally every six hours.”: Erythromycin requires consistent dosing intervals to maintain steady blood levels and prevent bacterial resistance. Taking it as prescribed ensures continuous antimicrobial activity. C. “I can take erythromycin with my antacid medications.”: Antacids can interfere with erythromycin absorption and reduce its effectiveness. Patients should avoid taking antacids within two hours of erythromycin to ensure adequate drug absorption and therapeutic action. D. “I should complete the full course of the antibiotic.”: Completing the prescribed antibiotic regimen prevents incomplete bacterial eradication and reduces the risk of developing resistant strains.