Disprin Direct 300mg Aspirin Chewable Tablets (24). The ingredient that makes Disprin Direct work (the active ingredient) is Aspirin.. Aspirin belongs to a group of medicines known as non steroidal anti-inflammatory drugs (NSAIDs). It works to relieve pain and inflammation.. Disprin Direct can be used to. Relieve mild to moderate pain (such as a headache, toothache and nerve pain). Reduce temperature and inflammation, such as lower back pain.
