What is the origin of the word analgesic?
The word analgesic derives from the Greek terms an meaning without and algos meaning pain. Before the 20th century these drugs were commonly known as anodynes rather than by their modern name.
Questions about Analgesic
Short answers, pulled from the story.
How do analgesics differ from anesthetics in medical practice?
Analgesics specifically target the perception of pain while leaving other sensory functions largely intact unlike anesthetics which temporarily reduce or eliminate all sensation including touch and temperature. This distinction matters because a patient might need to feel pressure during surgery but not the sharpness of the incision.
When did selective COX-2 inhibitors enter the market after research on enzyme versions began?
Research showed most adverse effects of standard NSAIDs came from blocking the COX1 enzyme rather than the pain-mediating COX2. This discovery drove the creation of more targeted medications in the late 20th century with widespread adoption revealing risks that caused the withdrawal of rofecoxib and valdecoxib from the market entirely.
Why are opioids like morphine associated with specific side effects such as constipation and tolerance?
Patients starting morphine often experience nausea vomiting and itching which may require switching to a different drug. Constipation occurs in almost all patients taking opioids so laxatives are frequently co-prescribed and opioid tolerance develops when frequent use diminishes the drug's effect over time.
What safety warnings did the FDA issue regarding topical anesthetics in February 2007?
In February 2007 the FDA notified consumers about potential hazards of topical anesthetics entering the bloodstream. Large doses applied to the skin without medical supervision can cause dangerous blood levels of lidocaine tetracaine benzocaine and prilocaine.