What is the primary effect of non-narcotic analgesics like aspirin and paracetamol?

The primary effect of non-narcotic analgesics, such as aspirin and paracetamol, is to relieve pain. These medications work primarily by inhibiting enzymes in the body that produce substances called prostaglandins, which are involved in the process of inflammation and pain signaling. By reducing the levels of prostaglandins, non-narcotic analgesics effectively decrease the sensation of pain without producing sedation or affecting the central nervous system in the same way narcotic analgesics do.

While some individual experiences of pain relief can lead to an improved sense of well-being, it is essential to understand that the primary pharmacological action of non-narcotic analgesics is pain relief rather than inducing sleep or calming anxiety, which are effects not associated with these medications. Additionally, they do not have a direct role in lowering blood pressure, as their main function is centered around analgesia. Thus, the correct answer clearly highlights their intended use in pain management.