Which of the following is a common pain medication used after a heart attack?

Ibuprofen is a non-steroidal anti-inflammatory drug (NSAID) that is commonly used to relieve pain, reduce inflammation, and lower fever. After a heart attack, managing pain is an important aspect of a patient's recovery, and ibuprofen can be effective in addressing this symptom. Its ability to help improve the comfort level of patients without significantly impacting cardiac function makes it a common choice in these situations.

In the context of the other options, insulin is primarily used to manage blood glucose levels in individuals with diabetes and is not a pain reliever. Antibiotics are used to combat bacterial infections, and while they may be necessary after certain medical procedures, they are not used specifically for pain management post-heart attack. Thrombolytics are medications that dissolve blood clots and are typically administered during the acute phase of a heart attack to restore blood flow to the heart, but they are not utilized for pain relief. Therefore, ibuprofen stands out as a reliable medication for pain management in this scenario.