A nurse is reviewing the list of current medications for a client who is to start a new prescription for carbamazepine. The nurse should identify which of the following medications interacts with carbamazepine.
Estrogen-progestin combination
Nicotine transdermal system
Diphenhydramine
Beclomethasone
The Correct Answer is A
A. Estrogen-progestin combination:
Correct Answer: This medication interacts with carbamazepine.
Explanation: Carbamazepine is known to induce certain liver enzymes, including cytochrome P450 enzymes. These enzymes play a role in the metabolism of various medications, including estrogen-containing oral contraceptives (estrogen-progestin combinations). Carbamazepine can increase the metabolism of estrogen-progestin combinations, potentially reducing their effectiveness and increasing the risk of contraceptive failure. Therefore, this interaction can lead to decreased contraceptive efficacy and the potential for unintended pregnancy.
B. Nicotine transdermal system:
Incorrect Explanation: This medication does not interact with carbamazepine.
Explanation: Nicotine replacement therapies, such as nicotine transdermal systems, are not known to have significant interactions with carbamazepine. These therapies are primarily used to aid in smoking cessation and do not share metabolic pathways with carbamazepine.
C. Diphenhydramine:
Incorrect Explanation: This medication does not interact with carbamazepine.
Explanation: Diphenhydramine is an antihistamine used for allergies and as a sleep aid. It does not have a well-established interaction with carbamazepine. However, it's important to note that carbamazepine can have central nervous system (CNS) effects, so caution should be exercised when combining it with other medications that also have CNS effects.
D. Beclomethasone:
Incorrect Explanation: This medication does not interact with carbamazepine.
Explanation: Beclomethasone is a corticosteroid used to manage inflammation associated with conditions like asthma and allergic rhinitis. It is not known to interact with carbamazepine. These two medications have different mechanisms of action and do not share significant metabolic pathways.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Saw palmetto is a natural supplement that is sometimes used for the management of benign prostatic hyperplasia (BPH). It is derived from the fruit of the saw palmetto plant and is believed to have potential benefits in reducing urinary symptoms associated with BPH. However, it's important to note that the effectiveness of saw palmetto for BPH is still debated, and its use should be discussed with a healthcare provider.
The other options (Black cohosh, Garlic, Feverfew) are not commonly associated with the management of benign prostatic hyperplasia, and their use for this purpose is not well-established. It's important for the client to have an open and informed discussion with their healthcare provider before starting any supplement, even if it's considered "natural," to ensure that it is safe and appropriate for their specific health condition.
Correct Answer is A
Explanation
Saw palmetto is an herbal supplement that has been used traditionally to manage symptoms of benign prostatic hyperplasia (BPH), which is an enlargement of the prostate gland that can cause urinary symptoms. There is some evidence to suggest that saw palmetto may have a beneficial effect on BPH symptoms by reducing urinary frequency, nocturia, and incomplete emptying of the bladder. However, it's important for the client to discuss the use of any herbal supplements, including saw palmetto, with their healthcare provider before starting them, as they can interact with prescribed medications or have potential side effects.
The other supplements listed (black cohosh, garlic, and feverfew) are not typically used for the management of BPH and are not directly relevant to this condition.
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