Agonist

定义

A drug that binds to a receptor and activates it, producing a biological response that mimics the body's natural signaling molecules. Full agonists produce the maximum possible effect, while partial agonists produce a submaximal response even at full receptor occupancy.

相关术语

在指南中提及

• Drowsiness and Sedation from Medications
  Many medications cause drowsiness as a side effect. Learn which drug classes are most sedating, how tolerance develops, and practical …
• How Pain Medications Work
  Pain medications work through several very different mechanisms — from blocking receptors to reducing inflammation. This guide explains the pharmacology …
• How Antidepressants Work
  Antidepressants work by adjusting the balance of chemical messengers in the brain — but the story is more complex than …
• How Blood Pressure Medications Work
  High blood pressure can be treated with several different drug classes — each working at a different point in the …
• How Insulin and Diabetes Drugs Work
  Diabetes treatment encompasses a wide range of drugs — from insulin that replaces a missing hormone to newer agents that …
• Complete Guide to Diabetes Medications
  An accessible overview of medications used for type 2 diabetes — from metformin to insulin — covering how each class …
• Complete Guide to Depression Medications
  A compassionate overview of antidepressant drug classes — SSRIs, SNRIs, TCAs, MAOIs, and newer options — covering how they work, …
• Complete Guide to Anxiety Medications
  A balanced overview of medications used for anxiety disorders — SSRIs, SNRIs, buspirone, benzodiazepines, and beta-blockers — including how they …
• Complete Guide to Asthma Medications
  A clear breakdown of asthma medications — relievers, controllers, and biologics — explaining how bronchodilators and anti-inflammatory drugs work together …
• Complete Guide to Pain Management
  A comprehensive patient guide to pain medications — from OTC analgesics to opioids — explaining different pain types, how drugs …
• Complete Guide to Sleep Medications
  A balanced guide to prescription and OTC sleep medications — benzodiazepines, Z-drugs, melatonin receptor agonists, and newer options — including …
• GLP-1 Agonists: The Weight Loss Revolution
  GLP-1 receptor agonists like semaglutide and tirzepatide have redefined obesity treatment. Learn how they work, what the evidence shows, and …
• Psychedelic-Assisted Therapy
  Classic psychedelics and MDMA are being rigorously studied as treatments for depression, PTSD, and addiction. Here is what the clinical …