Advanced Dental Admission Test (ADAT)

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Erythromycin is most commonly used in patients who are allergic to which class of antibiotics?

  1. Tetracyclines

  2. Penicillins

  3. Ciprofloxacins

  4. Cephalosporins

The correct answer is: Penicillins

Erythromycin, a macrolide antibiotic, is most commonly used as an alternative treatment for patients with a known allergy to penicillin. This is important because penicillins are one of the most frequently prescribed classes of antibiotics for treating bacterial infections, particularly in dental and medical practice. In cases where a patient is allergic to penicillins, erythromycin serves as a suitable alternative that can effectively treat similar infections since it possesses a different mechanism of action and is generally tolerated well by individuals with penicillin allergies. Understanding the therapeutic choices available when treating infections is crucial for avoiding potential allergic reactions and ensuring patient safety. This makes erythromycin an invaluable option for healthcare professionals managing antibiotic therapy in allergic patients.

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