Which of the following medications is contraindicated with nitroglycerin?

Rationale

Sildenafil

Nitroglycerin and sildenafil are both vasodilators, commonly used to treat cardiovascular conditions. When used together, they can cause a dangerous drop in blood pressure due to their combined effect on relaxing blood vessels. This interaction can lead to severe hypotension, posing a significant risk to the patient's health.

A (Amoxicillin) YOUR ANSWER

Amoxicillin is an antibiotic and does not have any known significant interactions with nitroglycerin. While antibiotics may be prescribed alongside nitroglycerin for certain conditions, amoxicillin is not contraindicated with nitroglycerin use.

B (Sildenafil) CORRECT

Sildenafil, commonly known as Viagra, is used to treat erectile dysfunction and pulmonary arterial hypertension. When taken with nitroglycerin, sildenafil can potentiate the vasodilation effects, resulting in a dangerous drop in blood pressure. This interaction makes sildenafil contraindicated with nitroglycerin.

C (Levothyroxine) YOUR ANSWER

Levothyroxine is a thyroid hormone replacement medication and does not have significant interactions with nitroglycerin. These medications are often prescribed together for patients with comorbid thyroid and cardiovascular conditions without contraindications.

D (Metformin) YOUR ANSWER

Metformin is an oral antidiabetic medication that does not have direct interactions with nitroglycerin. These medications can be safely used together in patients with both diabetes and cardiovascular conditions, as they do not exhibit contraindications.

Conclusion

Among the medications listed, only sildenafil is contraindicated with nitroglycerin use due to the potential for severe hypotension when combined. Understanding drug interactions is crucial in managing patient care, especially in individuals with multiple medical conditions requiring complex medication regimens.

Which of the following medications is contraindicated with nitroglycerin?

Sildenafil

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