The nurse is caring for a client who is being discharged with a prescription for tetracycline. Which of the following statements, if made by the client. demonstrates an understanding of the discharge instructions?

A. Chocolate:

Chocolate contains tyramine, a substance that can interact with certain medications like monoamine oxidase inhibitors (MAOIs) to increase blood pressure. While isoniazid itself does not directly interact with tyramine, it is often recommended to avoid tyramine-rich foods to prevent potential interactions with other medications or to minimize potential risks. Therefore, clients taking isoniazid are advised to avoid consuming chocolate to reduce the risk of adverse effects.

B. Aged cheese:

Aged cheeses, such as cheddar, Swiss, and blue cheeses, are high in tyramine. Tyramine levels increase as cheeses age, and consuming aged cheeses can lead to tyramine buildup in the body, potentially causing hypertensive crisis when combined with certain medications like MAOIs. While isoniazid is not an MAOI, the cautionary advice to avoid tyramine-rich foods is often extended to individuals taking isoniazid to minimize potential risks.

C. Bananas:

Bananas contain tyramine, although in lower amounts compared to some other foods. However, it is still advisable for individuals taking isoniazid to avoid consuming bananas and other tyramine-rich foods to reduce the risk of potential interactions or adverse effects.

D. Red meat:

Red meat is not typically high in tyramine compared to other foods like aged cheeses, certain processed meats, and fermented foods. While some sources suggest limiting consumption of aged or fermented meats, fresh red meat is generally considered safe to consume while taking isoniazid.

E. White wine:

While red wine is more commonly associated with tyramine content, white wine can also contain tyramine and other biogenic amines. Like other tyramine-rich foods, white wine consumption should be limited or avoided by individuals taking isoniazid to minimize the risk of tyramine-related interactions or adverse effects.

A. An infection that is difficult to treat:

This choice describes a challenging infection but does not specifically capture the concept of a superinfection. While superinfections can indeed be difficult to treat, they are defined more specifically as secondary infections that occur due to disruption of the normal microbial flora during the treatment of an initial infection.

B. An infection caused by a weakened immune system:

This choice describes an infection that occurs due to a compromised or weakened immune system, which can indeed increase the risk of developing infections, including superinfections. However, it does not fully encompass the definition of a superinfection, which specifically involves the overgrowth of opportunistic pathogens after the disruption of normal microbial flora by antimicrobial treatment.

C. A secondary infection that occurs when microorganisms normally present in the body are killed by the drug:

This choice accurately describes what a superinfection is. It highlights the key concept that a superinfection is a secondary infection that arises when antimicrobial treatment disrupts or kills the normal microbial flora of the body, allowing opportunistic pathogens to overgrow and cause infection.

D. A drug-resistant infection:

This choice describes an infection caused by microorganisms that are resistant to the effects of antimicrobial drugs. While drug resistance is a significant concern in healthcare, it does not specifically define a superinfection. Superinfections can involve drug-resistant microorganisms, but they are not solely characterized by drug resistance; rather, they are secondary infections resulting from the disruption of normal microbial flora during antimicrobial treatment.