Question 14

Antacids should be administered at least 2 hours before or after a dose of cefdinir suspension.

Cefdinir suspension can interact with antacids, reducing the absorption of the antibiotic. Therefore, it is crucial to space the administration of antacids and cefdinir by at least 2 hours to ensure the effectiveness of the medication.

A) Advil

Advil, which contains ibuprofen, does not have a known interaction with cefdinir that would necessitate a time gap between doses. It can be administered concurrently without affecting the absorption or efficacy of cefdinir.

B) Antacids

Antacids can bind to cefdinir and significantly decrease its absorption in the gastrointestinal tract. This interaction is why it is recommended to administer antacids at least 2 hours before or after cefdinir to maintain the antibiotic's therapeutic effectiveness.

C) Aleve

Aleve, containing naproxen, similarly does not interact with cefdinir in a way that requires a specific timing for administration. It can be taken at the same time as cefdinir without concerns regarding absorption or effectiveness.

D) Antihistamines

Antihistamines do not interact with cefdinir in a manner that would affect its absorption. They can be taken alongside cefdinir without the need for a time restriction.

Conclusion

Antacids are the only option that requires careful timing in relation to cefdinir administration to avoid reduced absorption and effectiveness. The other options, including Advil, Aleve, and antihistamines, do not present similar interactions, allowing them to be taken without specific timing considerations. Thus, the rationale for selecting antacids as the correct answer is based on their potential to interfere with the absorption of cefdinir.