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Anticholinergics (anticholinergic agents) are substances that block the action of the acetylcholine (ACh) neurotransmitter at synapses in the central and peripheral nervous system. [ 1 ] [ 2 ] These agents inhibit the parasympathetic nervous system by selectively blocking the binding of ACh to its receptor in nerve cells .
Activated charcoal is only given within one hour of anticholinergic ingestion. Physostigmine is given only if presenting both peripheral and central signs and symptoms of anticholinergic poisoning. [23] Physostigmine is a central and peripheral acting acetylcholinesterase inhibitor and generally given to patients with pure anticholinergic ...
A toxidrome (a portmanteau of toxic and syndrome, coined in 1970 by Mofenson and Greensher [2]) is a syndrome caused by a dangerous level of toxins in the body. It is often the consequence of a drug overdose.
A muscarinic acetylcholine receptor antagonist, also simply known as a muscarinic antagonist or as an antimuscarinic agent, is a type of anticholinergic drug that blocks the activity of the muscarinic acetylcholine receptors (mAChRs). The muscarinic receptors are proteins involved in the transmission of signals through certain parts of the ...
Equianalgesic charts are used for calculation of an equivalent dose (a dose which would offer an equal amount of analgesia) between different analgesics. [1] Tables of this general type are also available for NSAIDs , benzodiazepines , depressants , stimulants , anticholinergics and others.
Doxylamine is also a potent anticholinergic, meaning that it causes delirum at high doses—i.e., at much higher doses than recommended. [8] (Specifically it is an antagonist of the muscarinic acetylcholine receptors M 1 through M 5.) These sedative and deliriant effects have in some cases led to using the drug recreationally.
Anticholinergic alkaloids (5 P) M. Muscarinic antagonists (6 C, 130 P) N. Nicotinic antagonists (103 P) Pages in category "Anticholinergics" The following 8 pages are ...
Trihexyphenidyl is an anticholinergic. [21] It is specifically an antimuscarinic and acts as a non-selective antagonist of all five muscarinic acetylcholine receptors. [21] However, its antagonistic activity is much stronger at the muscarinic acetylcholine M 1 and M 4 receptors, and it can be described as selective for these receptors. [21] [22]