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Cholinergic blocking drugs are a group of drugs that block the action of acetylcholine (ACh), a neurotransmitter, in synapses of the cholinergic nervous system. [1] They block acetylcholine from binding to cholinergic receptors, namely the nicotinic and muscarinic receptors. These agents have broad effects due to their actions in nerves located ...
Anticholinergic drugs are used to treat a variety of conditions: Dizziness (including vertigo and motion sickness-related symptoms) Extrapyramidal symptoms, a potential side-effect of antipsychotic medications; Gastrointestinal disorders (e.g., peptic ulcers, diarrhea, pyloro spasm, diverticulitis, ulcerative colitis, nausea, and vomiting)
Acetylcholinesterase inhibitors (AChEIs) also often called cholinesterase inhibitors, [1] inhibit the enzyme acetylcholinesterase from breaking down the neurotransmitter acetylcholine into choline and acetate, [2] thereby increasing both the level and duration of action of acetylcholine in the central nervous system, autonomic ganglia and ...
Many side effects may be related to the antimuscarinic properties of the TCAs. Such side effects are relatively common and may include dry mouth, dry nose, blurry vision, lowered gastrointestinal motility or constipation, urinary retention, cognitive and/or memory impairment, and increased body temperature.
Cholinesterase inhibitors (ChEIs), also known as anti- cholinesterase, are chemicals that prevent the breakdown of the neurotransmitter acetylcholine or butyrylcholine. This increases the amount of the acetylcholine or butyrylcholine in the synaptic cleft that can bind to muscarinic receptors, nicotinic receptors and others.
Dry throat is the most common side effect. If the medication gets in contact with the eyes, it may cause blurred vision for a brief time. The use of anticholinergics in combination with short-acting β 2-adrenergic agonists has been shown to reduce hospital admissions in children and adults with acute asthma exacerbations. [4] [5]
Galantamine is a type of acetylcholinesterase inhibitor.It is an alkaloid extracted from the bulbs and flowers of Galanthus nivalis (common snowdrop), Galanthus caucasicus (Caucasian snowdrop), Galanthus woronowii (Voronov's snowdrop), and other members of the family Amaryllidaceae, such as Narcissus (), Leucojum aestivum (snowflake), and Lycoris including Lycoris radiata (red spider lily). [5]
Common side effects of inhalant use include dry mouth, cough, inflammation of the airways [3] and shortness of breath. [8] Potentially serious side effects include urinary retention, worsening spasms of the airways, and a severe allergic reaction. [3] It appears to be safe in pregnancy and breastfeeding.