Parasympathomimetics/Cholinergic agonists

parasympathomimetics

Introduction Parasympathomimetics — also referred to as cholinergic agonists or muscarinic agonists—are a class of medications that enhance or mimic the actions of the parasympathetic nervous system (PNS). The PNS is one subdivision of the autonomic nervous system, often described as the “rest and digest” branch. Through stimulation of acetylcholine (ACh) receptors, parasympathomimetics elicit various physiological responses such … Read more

Pharmacology of Opioid Analgesics

Opioid analgesics

Introduction Opioid analgesics comprise a diverse class of drugs used primarily for pain management. Derived from natural sources such as the opium poppy or synthesized in laboratories, these agents have been used for centuries for their potent analgesic and sedative properties. Opioids remain the most effective agents for controlling intense and certain chronic pain syndromes, … Read more