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...arinic acetylcholine receptor]]. It is classified as an [[anticholinergic drug]]. Being potentially deadly, it derives its name from [[Atropos]], one of t ...(a shorter-acting [[cholinergic]] antagonist) or [[phenylephrine]] (an α-adrenergic agonist) is preferred as an aid to [[ophthalmic]] examination. Atropine ind

| pregnancy_category = a drug of choice in [[Pregnancy-induced hypertension|PIH]] ...'', '''Aldoril''', '''Dopamet''', '''Dopegyt''', etc.) is a [[psychoactive drug]] used as a [[sympatholytic]] or [[antihypertensive]]. Its use is now depre

...use dopamine cannot cross the [[blood-brain barrier]], dopamine given as a drug does not directly affect the [[central nervous system]]. To increase the am ...ophrenia, autism, and attention deficit hyperactivity disorder, as well as drug abuse.

...AN]]) is a short-acting [[beta2-adrenergic receptor agonist|β₂-adrenergic receptor agonist]] used for the relief of [[bronchospasm]] in conditions su .... It was first sold by Allen & Hanburys under the brand name Ventolin. The drug was an instant success, and has been used for the treatment of asthma ever

|metabolism = [[synapse|adrenergic synapse]] ([[Monoamine oxidase|MAO]] and [[Catechol-O-methyl transferase|CO {{See also|Adrenergic receptor}}

...ic]] effects of inhaling it, a property that has led to its [[recreational drug use|recreational use]] as a [[dissociative]] [[anesthetic]]. It is also use ...ung diseases could be treated by inhalation of "Factitious Airs"<ref name="Drug discovery"/> (the word [[factitious]] means "artificial").

...e book | editor= Edited by Reynolds JEF | title=[[Martindale: The complete drug reference]] | edition=29th | date=1989 | publisher=Pharmaceutical Press | l ...macological Effects of Ephedrine Alkaloids on Human {alpha}1- and {alpha}2-Adrenergic Receptor Subtypes''] J. Pharmacol. Exp. Ther.; '''nr. 322''' pp. 214-221 (j

...e [[pupil]] due to [[disease]], [[Physical trauma|trauma]] or the use of [[drug]]s. Normally, the pupil dilates in the [[dark]] and [[constriction|constric ...er by the [[sympathetic nervous system]]. Sympathetic stimulation of α1 [[adrenergic receptors]] causes the [[Muscle contraction|contraction]] of the [[radial

...drenergic stimuli such as epinephrine, anticholinergics, cocaine, PCP, and drug withdrawal. The classic fixed and dilated "blown pupil" is a unilateral phe

{{Adrenergic agonists}} [[Category:Alpha-adrenergic agonists]]

...<ref>Thorlacius K, Borna C, Personne M. Bromo-dragon fly--life-threatening drug. Can cause tissue necrosis as demonstrated by the first described case. (Sw {{Adrenergic antagonist}}

...t used in humans, but is closely related in structure to the commonly used drug [[clonidine]]. Romifidine acts as an [[agonist]] at the α₂ [[adrenergic receptor]] subtype. Side effects can include [[bradycardia]] and [[respirat

...Feller DR, Hsu FL, George C, Cupps TL, Lyon RA, Miller DD. Resolution and adrenergic activities of the optical isomers of 4-[1-(1-naphthyl)ethyl]- 1H- imidazole {{Adrenergic agonists}}

...rts norepinephrine itself (NET, uptake 1), and uptake is essential for the drug's action. Once guanethidine has entered the nerve, it is concentrated in t {{Adrenergic antagonist}}

...it is an [[agonist]] at the &alpha;<small>₂</small> class of [[adrenergic receptor]]. As with other &alpha;<small>₂</small> agonists, adve {{Adrenergic agonists}}

...' (bri-MOE-ni-deen, brand names Alphagan and Alphagan-P) is a [[medication|drug]] used to treat [[glaucoma|open-angle glaucoma]] or [[ocular hypertension]] Brimonidine is an α₂-adrenergic receptor agonist.

'''Detomidine''' is an [[imidazole]] derivative and alpha2-adrenergic [[agonist]], used as a large animal [[sedative]],primarily used in [[horses ...or in the horse: a review. Br Vet J. 1996 Nov;152(6):641-57.</ref>. Alpha2-adrenergic agonists produce dose-dependent sedative and analgesic effects, mediatated

...]. Like [[clonidine]], its mechanism of action is [[agonism]] of [[alpha-2 adrenergic receptor]]s in certain parts of the brain.<ref>{{cite journal | author = Co ==Drug interactions==

'''Xylometazoline''' (also known as xylomethazoline) is a drug which is used as a [[topical]] [[nasal decongestant]].<ref>{{cite pmid|1865 The drug works by constricting the blood vessels in the nose. The [[vasoconstriction

'''Amitraz''' is an antiparasitic drug. Product names include Ridd, Aazdieno, Acarac, Aludex, Amitraze, Avartin, ...85667">{{cite journal |title=Effects of the insecticide amitraz, an alpha2-adrenergic receptor agonist, on human luteinized granulosa cells |journal=Hum. Reprod.

==Drug uses== ...compared to the triptans, explain why ergotamine is a rarely used abortive drug for the treatment of migraines. The side effects include GI tract irritati

...|pmc=385445 |doi= |url=}}</ref> that can be administered as an intravenous drug solution with sterile water. It is currently approved for dogs in the Unite ...t sedative effects it is commonly used in more aggressive animals, where a drug/combination with a lesser effect (i.e. Acetylpromazine + an Opioid, an Opio

...It is a [[sympathomimetic]] agent with marked [[Adrenergic receptor|alpha adrenergic]] activity. It is a [[vasoconstrictor]] with a rapid action in reducing sw ...severe [[hypertension|hypertensive]] crisis if given a [[sympathomimetic]] drug such as naphazoline HCl

...= Swiss Pharmaceutical Society | title = Index Nominum 2000: International Drug Directory (Book with CD-ROM) | publisher = Medpharm Scientific Publishers | {{Adrenergic and dopaminergic agents}}

'''Synephrine''' (or '''oxedrine''') is a [[drug]] commonly used for weight loss. While its effectiveness is widely debated, * Phenylephrine acts primarily on alpha₁ [[adrenergic receptors]], so it has mainly vasoconstricting actions.

...or '''Neo-Synephrine''' is an [[Alpha-1 adrenergic receptor|α₁-adrenergic receptor]] [[agonist]] used primarily as a [[decongestant]], as an agent to ..., or as eye drops. Phenylephrine is now the most common [[Over-the-counter drug|over-the-counter]] (OTC) [[decongestant]] in the United States; [[oxymetazo

...commonly used in [[prescription drug|prescription]] and [[over-the-counter drug|over-the-counter]] [[cough and cold preparation]]s. In [[veterinary medicin ...ncentrations are typically in the 50-300 µg/L range in persons taking the drug therapeutically, 300-3000 µg/L in abusers or poisoned patients and 2–50

...discovery, pharmacological effects, and therapeutic potential |journal=CNS Drug Reviews |volume=13 |issue=4 |pages=405–22 |year=2007 |pmid=18078426 |doi= [[Category:Alpha-adrenergic agonists]]

...esults in [[vasoconstriction]]. In addition, the local application of the drug also results in vasoconstriction due to its action on endothelial postsynap The [[Food_and_Drug_Administration_(United_States)|Food and Drug Administration]] places oxymetazoline in [[pregnancy_category|category C]],

...drug that selectively stimulates alpha [[adrenergic receptor]]s. The alpha-adrenergic receptor has two subclasses α₁ and α₂. {{Main|Alpha-1 adrenergic receptor#agonists}}

...ptor|α₂-adrenergic]] [[agonist]], selective for the [[Alpha-2C adrenergic receptor|α_2C]] subtype, as well as being a weak [[Antagonist (p [[Category:Alpha-adrenergic agonists]]

...as a selective [[Antagonist (pharmacology)|antagonist]] for the [[Alpha-2A adrenergic receptor|α_2A adrenoreceptor]].<ref name="pmid8387042">{{cite jo

*[[Drug-induced ulcer of the lip]] *[[Drug-induced lipodystrophy]]

| [[Adrenergic]] stimulation results in elevated levels of cAMP and [[protein kinase A]], | [[Noradrenaline]] || [[Beta-2 adrenergic receptor|β-2 adrenergic receptor]]

...e journal |author=Lambert DM, Fowler CJ |title=The endocannabinoid system: drug targets, lead compounds, and potential therapeutic applications |journal=J. ...pbell, VA. "Phytocannabinoids, CNS cells and development: A dead issue?" ''Drug and Alcohol Review''. 2010 Jan;29(1):91-98. PMID 20078688</ref> To the righ

...am, and in southern regions, thom. In addition to being used as a narcotic drug in its own right, it is often used as a substitute for opium when opium is .... In lower dosages, mitragynine exhibits a yohimbine-like binding to alpha-adrenergic receptors, as well as some binding to the delta opioid receptors. As doses

...bis'' with high [[tetrahydrocannabinol|THC]] content (the kind used as a [[drug]]). ...affinity_(pharmacology)|affinity]] [[a2-adrenergic receptor|α₂-adrenergic receptor]] [[agonist]], moderate affinity [[5-HT1A receptor|5-HT<sub>1A</su

== Cholinergic drug == {{Main|Parasympathomimetic drug}}

...tal cortex known as the alpha2A-adrenoceptor (also known as the [[alpha-2A adrenergic receptor]]) has been shown to improve [[working memory]], or the brain’s ...themselves. By directly inhibiting HCN channels in vitro, either with the drug ZD7288 or viral knockdown of [[HCN1]] expression, the Arnsten lab was able

...l KM, McGraw DW and Liggett SB.|title=Pharmacology and physiology of human adrenergic receptor polymorphisms|journal=Annu Rev Pharmacol Toxicol|year=2003|volume= ...ric [[G protein]]).&nbsp; Many receptors make up this family, including [[adrenergic receptor]]s, neurotransmitter receptors, [[olfactory receptor]]s, [[opioid