Comprehensive and Detailed Step-by-Step Explanation:
Cephalexin suspension (Keflex)is anantibioticthat must berefrigerated after reconstitutionanddiscarded after 14 daysto maintain stability and potency.
????Explanation of Answer Choices:✅D. Keep refrigerated; Discard after 14 days→Correct.Proper storage is2-8°C (36-46°F), with a 14-day shelf life.❌A. Protect from light; Discard after 7 days→ Incorrect.Refrigeration is required, not just light protection.❌B. Protect from light; Discard after 14 days→ Incorrect.Light protection is not a major concern for cephalexin.❌C. Keep refrigerated; Discard after 7 days→ Incorrect.Cephalexin is stable for 14 days, not just 7.
????Reference:
USP <795>: Beyond-Use Dating for Reconstituted Suspensions
FDA Drug Stability Guidelines
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