What is anticholinergic agents used for?
One of the most common uses of anticholinergics is as a treatment for asthma. They help to ease asthma symptoms by relaxing and enlarging the airways, which makes breathing easier. They are also used to treat a variety of conditions like urinary incontinence and motion sickness.
What is the action of anticholinergics?
Anticholinergic drugs competitively inhibit binding of the neurotransmitter, acetylcholine. They target either muscarinic acetylcholine receptors or, less commonly, nicotinic acetylcholine receptors. Muscarinic receptors are found on nerve endings to smooth muscles cells, secretory glands and the eye.
What are the side effects of anticholinergic agents?
Although efficacious, anticholinergic agents cause frequent adverse effects such as dry mouth, constipation, blurred vision, and drowsiness. These effects are dose-related and can severely limit tolerability, especially in elderly patients.
What are the anticholinergic antidepressants?
| Class | Drugs | Relative anticholinergic potency |
|---|---|---|
| Psychotropic | Selective serotonin reuptake inhibitor (SSRI) antidepressants: citalopram, fluoxetine, fluvoxamine, paroxetine* | Low |
| Tricyclic antidepressants: amitriptyline, clomipramine, desipramine, doxepin, imipramine, nortriptyline, others | High |
What is an example of an anticholinergic effect?
A few examples of anticholinergic drugs are antidepressants like Paxil (paroxetine), Thorazine (chlorpromazine), and Clozaril (clozapine).
Who should not take anticholinergic drugs?
Anticholinergic drugs should not be used in conditions such as:
- benign prostatic hypertrophy (BPH)
- angle closure glaucoma.
- myasthenia gravis.
- Alzheimer’s disease.
- bowel blockage.
- urinary tract blockage or urinary hesitancy.
Which antidepressant has the most anticholinergic effect?
As seen in the table, amitriptyline is the most anticholinergic of the antidepressants, with protriptyline a close second.
What is the most common anticholinergic side effect?
Commonly reported peripheral side effects of anticholinergic medicines include dry mouth, dry eyes, constipation, urinary retention, blurred vision and increased heart rate, while central effects range from dizziness, sedation, confusion and delirium (1,2,3).
What anticholinergic medication is most commonly prescribed?
At least one anticholinergic medication was present in 78 (12.5 %) patients. More than half (N=41, 52.6%) of anticholinergic prescriptions were psychotropic medications. Most common individual medications were diazepam (N=10, 1.6%), quetiapine (N=9, 1.4%) and ranitidine (N=8, 1.3%).
Is Claritin a anticholinergic?
Second- and third-generation antihistamines, including brands such as Claritin, Zyrtec and Allegra, are not anticholinergics.
What are the most common anticholinergic drugs?
Examples of these drugs include:
- atropine (Atropen)
- belladonna alkaloids.
- benztropine mesylate (Cogentin)
- clidinium.
- cyclopentolate (Cyclogyl)
- darifenacin (Enablex)
- dicylomine.
- fesoterodine (Toviaz)
What are the 4 categories of anticholinergic drugs?
Anticholinergics are drugs that block the action of acetylcholine . Acetylcholine is a neurotransmitter, or a chemical messenger….List of anticholinergics
- atropine (Atropen)
- belladonna alkaloids.
- benztropine mesylate (Cogentin)
- clidinium.
- cyclopentolate (Cyclogyl)
- darifenacin (Enablex)
- dicylomine.
- fesoterodine (Toviaz)
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