Antagonist

定義

A drug that binds to a receptor but does not activate it, instead blocking the receptor and preventing agonists from producing their effect. Competitive antagonists can be overcome by higher concentrations of agonist, while non-competitive antagonists cannot.

関連用語

ガイドでの言及

• How Pain Medications Work
  Pain medications work through several very different mechanisms — from blocking receptors to reducing inflammation. This guide explains the pharmacology …
• How Blood Pressure Medications Work
  High blood pressure can be treated with several different drug classes — each working at a different point in the …
• 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 Allergy Medications
  A practical overview of allergy medications — antihistamines, decongestants, corticosteroids, and immunotherapy — covering how they work, OTC versus prescription …