Which of the following medications would be used to alleviate angina pain?

The medication that is specifically designed to alleviate angina pain is classified as an antianginal. Antianginals work by improving blood flow to the heart muscle or reducing the heart's workload, thus helping to relieve symptoms of angina, which can include chest pain or discomfort.

This class of medications may include nitrates, beta-blockers, or calcium channel blockers, all of which have mechanisms of action that effectively address the underlying causes of angina by enhancing oxygen delivery or decreasing oxygen demand within the heart. Understanding the function of antianginals is crucial for managing conditions related to inadequate blood supply to the heart.

The other categories of medications listed are not appropriate for treating angina. Anticoagulants are typically used to prevent blood clots, antifungals are used to treat fungal infections, and antihistamines are primarily used to alleviate allergic reactions. Each of these medications serves a different purpose unrelated to the management of angina pain.