Phenylpropanolamine - Revision history

Prab at 03:21, 22 March 2025

2025-03-22T03:21:29Z

← Older revision		Revision as of 03:21, 22 March 2025
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	{{Short description\|Overview of Phenylpropanolamine}}		{{Short description\|Overview of Phenylpropanolamine}}
	~~{{Drugbox~~		[[File:Phenylpropanolamine.svg\|Phenylpropanolamine\|thumb]]
	\| ~~Verifiedfields = changed~~		[[File:Phenylpropanolamine molecule ball.png\|Phenylpropanolamine molecule ball\|thumb]]
	\| ~~verifiedrevid = 477002295~~		[[File:Phenylpropanolamine spacefill.png\|Phenylpropanolamine spacefill\|thumb]]
	\| ~~IUPAC_name = (1R,2S)-2-amino-1-phenylpropan-1-ol~~
	~~\| image =~~ Phenylpropanolamine.~~svg~~
	\| ~~image2 =~~ Phenylpropanolamine spacefill~~.png~~
	}}

	'''Phenylpropanolamine''' (PPA) is a [[sympathomimetic]] agent used as a [[decongestant]] and [[appetite suppressant]]. It is a member of the [[phenethylamine]] class and is structurally related to [[ephedrine]] and [[amphetamine]].		'''Phenylpropanolamine''' (PPA) is a [[sympathomimetic]] agent used as a [[decongestant]] and [[appetite suppressant]]. It is a member of the [[phenethylamine]] class and is structurally related to [[ephedrine]] and [[amphetamine]].

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	* [[Sympathomimetic drug]]		* [[Sympathomimetic drug]]
	* [[Decongestant]]		* [[Decongestant]]
			{{stub}}
	~~==References==~~
	{{~~Reflist~~}}

	[[Category:Sympathomimetic amines]]		[[Category:Sympathomimetic amines]]
	[[Category:Decongestants]]		[[Category:Decongestants]]
	[[Category:Withdrawn drugs]]		[[Category:Withdrawn drugs]]
	~~==Phenylpropanolamine==~~
	~~<gallery>~~
	~~File:Phenylpropanolamine.svg\|Phenylpropanolamine~~
	~~File:Phenylpropanolamine molecule ball.png\|Phenylpropanolamine molecule ball~~
	~~File:Phenylpropanolamine spacefill.png\|Phenylpropanolamine spacefill~~
	~~</gallery>~~
	~~==Phenylpropanolamine==~~
	~~<gallery>~~
	~~File:Phenylpropanolamine.svg\|Phenylpropanolamine~~
	~~File:Phenylpropanolamine molecule ball.png\|Phenylpropanolamine molecule ball~~
	~~File:Phenylpropanolamine spacefill.png\|Phenylpropanolamine spacefill~~
	~~</gallery>~~

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2025-02-20T01:08:21Z

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← Older revision		Revision as of 01:08, 20 February 2025
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	[[Category:Decongestants]]		[[Category:Decongestants]]
	[[Category:Withdrawn drugs]]		[[Category:Withdrawn drugs]]
			==Phenylpropanolamine==
			<gallery>
			File:Phenylpropanolamine.svg\|Phenylpropanolamine
			File:Phenylpropanolamine molecule ball.png\|Phenylpropanolamine molecule ball
			File:Phenylpropanolamine spacefill.png\|Phenylpropanolamine spacefill
			</gallery>
	==Phenylpropanolamine==		==Phenylpropanolamine==
	<gallery>		<gallery>

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2025-02-20T01:07:45Z

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← Older revision		Revision as of 01:07, 20 February 2025
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	[[Category:Decongestants]]		[[Category:Decongestants]]
	[[Category:Withdrawn drugs]]		[[Category:Withdrawn drugs]]
			==Phenylpropanolamine==
			<gallery>
			File:Phenylpropanolamine.svg\|Phenylpropanolamine
			File:Phenylpropanolamine molecule ball.png\|Phenylpropanolamine molecule ball
			File:Phenylpropanolamine spacefill.png\|Phenylpropanolamine spacefill
			</gallery>

Prab: CSV import

2024-12-11T02:48:03Z

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← Older revision		Revision as of 02:48, 11 December 2024
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			{{Short description\|Overview of Phenylpropanolamine}}
			{{Drugbox
			\| Verifiedfields = changed
			\| verifiedrevid = 477002295
			\| IUPAC_name = (1R,2S)-2-amino-1-phenylpropan-1-ol
			\| image = Phenylpropanolamine.svg
			\| image2 = Phenylpropanolamine spacefill.png
			}}

	= Phenylpropanolamine~~: A Decongestant~~ and ~~its Clinical Uses =~~		'''Phenylpropanolamine''' (PPA) is a [[sympathomimetic]] agent used as a [[decongestant]] and [[appetite suppressant]]. It is a member of the [[phenethylamine]] class and is structurally related to [[ephedrine]] and [[amphetamine]].

	Phenylpropanolamine ~~(PPA) is a sympathomimetic agent formerly used~~ as ~~a decongestant~~ and ~~for the management of mild incontinence~~. ~~This article delves into the characteristics of PPA~~, its ~~medical applications, associated risks, and regulatory considerations~~.		==Pharmacology==
			Phenylpropanolamine acts primarily as an [[alpha-adrenergic receptor]] agonist, leading to vasoconstriction and decreased nasal congestion. It also has some activity as a [[beta-adrenergic receptor]] agonist, which contributes to its effects on appetite suppression.

	== ~~Introduction~~ ==		==Medical Uses==
			Phenylpropanolamine was commonly used in over-the-counter cold medications and weight loss products. It was effective in reducing nasal congestion and suppressing appetite.

	[[~~File:Phenylpropanolamine~~.~~svg\|thumb\|Chemical structure of Phenylpropanolamine~~.]]		==Safety and Regulation==
			In the early 2000s, concerns about the safety of phenylpropanolamine led to its withdrawal from the market in many countries. Studies indicated an increased risk of [[hemorrhagic stroke]] in women using the drug. As a result, the [[U.S. Food and Drug Administration]] (FDA) issued a public health advisory in 2000, recommending that consumers not use products containing phenylpropanolamine.

	Phenylpropanolamine is ~~a drug that was commonly found~~ in ~~over-~~the~~-counter~~ and ~~prescription medications as a decongestant~~ for ~~nasal congestion and~~ for ~~controlling~~ urinary incontinence.		==Current Status==
			Phenylpropanolamine is no longer available in the United States and many other countries for human use. However, it is still used in veterinary medicine, particularly for the treatment of urinary incontinence in dogs.

	== ~~Pharmacology~~ ==		==Mechanism of Action==
	~~PPA acts as a sympathomimetic agent, mimicking~~ the ~~effects~~ of ~~the sympathetic nervous system. It has both direct~~ and ~~indirect effects on adrenergic receptors~~, ~~leading~~ to vasoconstriction ~~which relieves~~ nasal congestion.		Phenylpropanolamine works by stimulating the release of [[norepinephrine]] and [[dopamine]] from nerve terminals, which leads to increased adrenergic activity. This results in vasoconstriction and reduced blood flow to the nasal passages, alleviating congestion.

	== ~~Medical Uses~~ ==		==Side Effects==
	~~=== Nasal Decongestant ===~~		Common side effects of phenylpropanolamine include increased heart rate, elevated blood pressure, anxiety, dizziness, and insomnia. Due to its stimulant effects, it can also lead to [[tachycardia]] and [[hypertension]].
	~~PPA was widely used to relieve the symptoms~~ of ~~nasal congestion due~~ to ~~allergies~~, ~~colds, or sinus infections~~.

	==~~= Incontinence Treatment =~~==		==History==
	It was ~~also~~ used to ~~treat mild cases of incontinence by tightening~~ the ~~bladder sphincter muscles~~.		Phenylpropanolamine was first introduced in the 1930s and became widely used in the 1970s and 1980s. Its popularity declined after safety concerns emerged, leading to regulatory actions in the 1990s and 2000s.

	== ~~Potential Risks and Side Effects~~ ==		==Also see==
	~~Concerns about the safety of PPA arose due to its association with an increased risk of hemorrhagic stroke, particularly in women. Other side effects may include:~~		* [[Ephedrine]]
			* [[Pseudoephedrine]]
			* [[Amphetamine]]
			* [[Sympathomimetic drug]]
			* [[Decongestant]]

	* Increased blood pressure		==References==
	* Palpitations		{{Reflist}}
	* Anxiety
	* Restlessness

	~~== Regulatory Status ==~~		[[Category:Sympathomimetic amines]]
			[[Category:Decongestants]]
	Due to safety concerns, many health authorities, including the United States Food and Drug Administration (FDA), have issued warnings about PPA. In many countries, products containing PPA have been reformulated or withdrawn from the market.		[[Category:Withdrawn drugs]]

	~~== Alternatives to PPA ==~~
	~~Since the restriction on the use of PPA, other decongestants such as pseudoephedrine and phenylephrine have become more commonly used.~~

	~~== Conclusion ==~~
	Phenylpropanolamine once played a significant role in over-the-counter treatments for congestion and incontinence. However, due to safety concerns, its use has been heavily restricted. It remains a subject of study in pharmacology, particularly concerning risk assessment and drug safety.

	[[Category:~~Pharmacology~~]]
	[[Category:~~Drugs~~]]
	[[Category:~~Respiratory Therapy~~]]
	~~[[Category:Medication Safety]]~~
	~~{{stub}}~~

Kondreddy Naveen at 21:40, 10 November 2023

2023-11-10T21:40:44Z

New page

= Phenylpropanolamine: A Decongestant and its Clinical Uses =

Phenylpropanolamine (PPA) is a sympathomimetic agent formerly used as a decongestant and for the management of mild incontinence. This article delves into the characteristics of PPA, its medical applications, associated risks, and regulatory considerations.

== Introduction ==

[[File:Phenylpropanolamine.svg|thumb|Chemical structure of Phenylpropanolamine.]]

Phenylpropanolamine is a drug that was commonly found in over-the-counter and prescription medications as a decongestant for nasal congestion and for controlling urinary incontinence.

== Pharmacology ==
PPA acts as a sympathomimetic agent, mimicking the effects of the sympathetic nervous system. It has both direct and indirect effects on adrenergic receptors, leading to vasoconstriction which relieves nasal congestion.

== Medical Uses ==
=== Nasal Decongestant ===
PPA was widely used to relieve the symptoms of nasal congestion due to allergies, colds, or sinus infections.

=== Incontinence Treatment ===
It was also used to treat mild cases of incontinence by tightening the bladder sphincter muscles.

== Potential Risks and Side Effects ==
Concerns about the safety of PPA arose due to its association with an increased risk of hemorrhagic stroke, particularly in women. Other side effects may include:

* Increased blood pressure
* Palpitations
* Anxiety
* Restlessness

== Regulatory Status ==

Due to safety concerns, many health authorities, including the United States Food and Drug Administration (FDA), have issued warnings about PPA. In many countries, products containing PPA have been reformulated or withdrawn from the market.

== Alternatives to PPA ==
Since the restriction on the use of PPA, other decongestants such as pseudoephedrine and phenylephrine have become more commonly used.

== Conclusion ==
Phenylpropanolamine once played a significant role in over-the-counter treatments for congestion and incontinence. However, due to safety concerns, its use has been heavily restricted. It remains a subject of study in pharmacology, particularly concerning risk assessment and drug safety.

[[Category:Pharmacology]]
[[Category:Drugs]]
[[Category:Respiratory Therapy]]
[[Category:Medication Safety]]
{{stub}}