Write the principal usage of painkillers, antibiotics, vaccines, and sedatives.

Principal Usage of Common Medications Painkillers (Analgesics): Principal Usage: Painkillers are used to relieve pain caused by a variety of conditions, such as injuries, surgeries, chronic pain, or illnesses. They can be classified into: Non-prescription (Over-the-counter): These include acetaminophen (Tylenol) and nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen (Advil, Motrin), which help reduce pain and inflammation. … Read more