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	~~'''Spiramycin''' is a [[macrolide~~ antibiotic~~]] and [[antiparasitic]] that is derived from the actinobacterium ''[[Streptomyces ambofaciens]]''. It was first discovered in 1954 and is primarily~~ used in the treatment of ~~[[toxoplasmosis]] and various~~ bacterial infections.		{{Short description\|An antibiotic used in the treatment of bacterial infections}}

	== ~~History~~ ==		==Spiramycin==
	Spiramycin ~~was first isolated in 1954 from the fermentation broth of~~ ''~~Streptomyces ambofaciens~~'', a ~~species of~~ [[~~actinobacteria~~]]~~. The discovery of spiramycin marked a significant advancement~~ in the ~~field~~ of [[~~antibiotics~~]]~~, as it was one~~ of ~~the first macrolide antibiotics to be discovered~~.		[[File:Spiramycin_I.svg\|thumb\|right\|Chemical structure of Spiramycin I]]
			'''Spiramycin''' is a [[macrolide antibiotic]] that is used primarily in the treatment of various bacterial infections. It is particularly effective against certain types of [[Gram-positive bacteria]] and some [[Gram-negative bacteria]]. Spiramycin is known for its ability to penetrate tissues and is often used in the treatment of infections where tissue penetration is crucial.

	== ~~Medical Uses~~ ==		==Mechanism of Action==
	Spiramycin ~~is primarily used in the treatment of toxoplasmosis, a parasitic disease caused~~ by ~~the protozoan ''~~[[~~Toxoplasma gondii~~]]''. It ~~is also used~~ to ~~treat a variety~~ of bacterial ~~infections, including~~ [[~~streptococcal infections~~]], [[~~staphylococcal infections~~]], ~~and [[respiratory tract infections]]~~.		Spiramycin works by inhibiting bacterial [[protein synthesis]]. It binds to the 50S subunit of the bacterial [[ribosome]], thereby preventing the translocation of [[peptidyl tRNA]] from the A-site to the P-site. This action effectively halts the growth of bacteria, making it a bacteriostatic agent.

	== ~~Mechanism of Action~~ ==		==Clinical Uses==
	Spiramycin ~~works by inhibiting [[protein synthesis]]~~ in ~~bacteria, thereby preventing their growth and reproduction. It binds to~~ the ~~50S subunit~~ of ~~the bacterial [[ribosome]]~~, ~~blocking the exit of the growing peptide chain.~~		Spiramycin is used in the treatment of several infections, including:

	~~== Side Effects ==~~		* [[Toxoplasmosis]] in pregnant women to prevent transmission to the fetus.
	~~Common side effects of spiramycin include~~ [[~~nausea~~]], [[~~vomiting~~]], [[~~diarrhea]],~~ and ~~[[abdominal pain~~]]. ~~In rare cases, it can cause~~ [[~~allergic reactions~~]] ~~and~~ [[~~liver damage~~]].		* [[Respiratory tract infections]] caused by susceptible strains of bacteria.
			* [[Skin and soft tissue infections]].
			* [[Oral infections]], such as [[periodontitis]].

	== Pharmacokinetics ==		==Pharmacokinetics==
	Spiramycin is well absorbed from the [[gastrointestinal tract~~]] and~~ is widely distributed ~~throughout~~ the ~~body~~. It is metabolized in the liver and excreted in the bile ~~and urine~~.		Spiramycin is administered orally and is well absorbed from the gastrointestinal tract. It is widely distributed in body tissues and fluids, achieving high concentrations in the lungs, tonsils, and other tissues. The drug is metabolized in the liver and excreted primarily in the bile.

	== ~~See Also~~ ==		==Side Effects==
	* [[Macrolide]]		Common side effects of spiramycin include:

			* [[Gastrointestinal disturbances]], such as nausea and diarrhea.
			* [[Allergic reactions]], which may manifest as skin rashes.
			* Rarely, [[hepatotoxicity]] or liver dysfunction.

			==Resistance==
			Bacterial resistance to spiramycin can occur through several mechanisms, including:

			* Modification of the ribosomal target site.
			* Efflux pumps that expel the antibiotic from the bacterial cell.
			* Enzymatic inactivation of the drug.

			==Related Pages==
			* [[Macrolide antibiotics]]
			* [[Antibiotic resistance]]
	* [[Toxoplasmosis]]		* [[Toxoplasmosis]]
	* [[~~Streptomyces ambofaciens~~]]		* [[Bacterial infections]]

			[[Category:Macrolide antibiotics]]
	[[Category:Antibiotics]]		[[Category:Antibiotics]]
	~~[[Category:Macrolides]]~~
	~~[[Category:Antiparasitics]]~~

	~~{{Medicine-stub}}~~
	~~{{Pharma-stub}}~~

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'''Spiramycin''' is a [[macrolide antibiotic]] and [[antiparasitic]] that is derived from the actinobacterium ''[[Streptomyces ambofaciens]]''. It was first discovered in 1954 and is primarily used in the treatment of [[toxoplasmosis]] and various bacterial infections.

== History ==
Spiramycin was first isolated in 1954 from the fermentation broth of ''Streptomyces ambofaciens'', a species of [[actinobacteria]]. The discovery of spiramycin marked a significant advancement in the field of [[antibiotics]], as it was one of the first macrolide antibiotics to be discovered.

== Medical Uses ==
Spiramycin is primarily used in the treatment of toxoplasmosis, a parasitic disease caused by the protozoan ''[[Toxoplasma gondii]]''. It is also used to treat a variety of bacterial infections, including [[streptococcal infections]], [[staphylococcal infections]], and [[respiratory tract infections]].

== Mechanism of Action ==
Spiramycin works by inhibiting [[protein synthesis]] in bacteria, thereby preventing their growth and reproduction. It binds to the 50S subunit of the bacterial [[ribosome]], blocking the exit of the growing peptide chain.

== Side Effects ==
Common side effects of spiramycin include [[nausea]], [[vomiting]], [[diarrhea]], and [[abdominal pain]]. In rare cases, it can cause [[allergic reactions]] and [[liver damage]].

== Pharmacokinetics ==
Spiramycin is well absorbed from the [[gastrointestinal tract]] and is widely distributed throughout the body. It is metabolized in the liver and excreted in the bile and urine.

== See Also ==
* [[Macrolide]]
* [[Toxoplasmosis]]
* [[Streptomyces ambofaciens]]

[[Category:Antibiotics]]
[[Category:Macrolides]]
[[Category:Antiparasitics]]

{{Medicine-stub}}
{{Pharma-stub}}

Spiramycin - Revision history

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