Acetylsalicylic acid is widely used as an analgesic to relieve mild to moderate pain such as headaches, toothaches, and muscle aches. It is also effective in reducing fever and decreasing inflammation, making it useful in conditions like arthritis. Due to its antiplatelet properties, it is commonly prescribed in low doses to help prevent heart attacks, strokes, and blood clots in individuals with cardiovascular disease. It works by inhibiting the production of prostaglandins, which are involved in pain and inflammation pathways. Acetylsalicylic acid is often used in over-the-counter cold and flu remedies and is a common component in combination medications for pain relief.