Aspirin, also known as acetylsalicylic acid, is a medication that falls into the category of nonsteroidal anti-inflammatory drugs (NSAIDs). It is commonly used to relieve pain, reduce inflammation, and lower fevers. Aspirin works by inhibiting the production of specific enzymes called cyclooxygenases (COX), which play a role in the production of certain chemicals called prostaglandins. Prostaglandins are responsible for causing pain and inflammation in response to injury or illness.

Acetylsalicylic acid, the active ingredient in aspirin, blocks the COX enzymes, preventing the production of prostaglandins. This action reduces pain, swelling, and fever in the body. Aspirin is often used to alleviate headaches, toothaches, muscle aches, and common cold symptoms. It can also be used as a preventive measure for cardiovascular diseases, as it helps to prevent blood clots from forming.

It’s important to note that while aspirin has various benefits, it can also have side effects, especially when used improperly or in high doses. It can irritate the stomach lining, potentially leading to gastrointestinal issues such as stomach pain, ulcers, or even bleeding. Aspirin should be taken according to the recommended dosage and duration, and individuals with certain medical conditions or taking certain medications should consult their healthcare provider before using aspirin.