Normally a box of Bay Aspirin costs about 15 dollars, but it can vary depending on the manufacturer, size, city, hospital, etc. Aspirin has two main effects: antipyretic and analgesic, and antiplatelet aggregation: 1. Antipyretic and analgesic: Aspirin, the main component of aspirin, is a non-steroidal anti-inflammatory drug that can treat toothache, dysmenorrhea, rheumatic fever, and advanced mild cancer pain. 2. Antiplatelet aggregation: Clinical cardiovascular and cerebrovascular system diseases using aspirin is to use the pharmacological effect of anti-platelet aggregation. Aspirin in small doses can inhibit the formation of thromboxane, inhibit thrombosis.