Nafcillin: Difference between revisions

Nafcillin
Clinical data
AHFS/Drugs.com	Monograph
MedlinePlus	a685019
Routes of; administration	IM, IV
ATC code	J01CF06 (WHO) ;
Legal status
Legal status	In general: ℞ (Prescription only);
Pharmacokinetic data
Protein binding	90%
Metabolism	<30% hepatic
Elimination half-life	0.5 hours
Excretion	Biliary and renal
Identifiers
	IUPAC name (2S,5R,6R)-6-[(2-ethoxy-1-naphthoyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid;
CAS Number	985-16-0 ;
PubChem CID	8982;
DrugBank	DB00607 ;
ChemSpider	8634 ;
UNII	SY07234TTS;
ChEBI	CHEBI:7447 ;
ChEMBL	ChEMBL1443 ;
CompTox Dashboard (EPA)	DTXSID8023343 ;
ECHA InfoCard	100.005.174
Chemical and physical data
Formula	C21H22N2O5S
Molar mass	414.476 g/mol g·mol−1
3D model (JSmol)	Interactive image;
	SMILES O=C(O)[C@@H]3N4C(=O)[C@@H](NC(=O)c2c1ccccc1ccc2OCC)[C@H]4SC3(C)C;
	InChI InChI=1S/C21H22N2O5S/c1-4-28-13-10-9-11-7-5-6-8-12(11)14(13)17(24)22-15-18(25)23-16(20(26)27)21(2,3)29-19(15)23/h5-10,15-16,19H,4H2,1-3H3,(H,22,24)(H,26,27)/t15-,16+,19-/m1/s1 ; Key:GPXLMGHLHQJAGZ-JTDSTZFVSA-N ;
	(verify)

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Revision as of 20:04, 11 January 2017

Nafcillin sodium is a narrow-spectrum^[1] beta-lactam antibiotic^[2] of the penicillin class. As a beta-lactamase-resistant penicillin, it is used to treat infections caused by Gram-positive bacteria, in particular, species of staphylococci that are resistant to other penicillins.

Nafcillin is considered therapeutically equivalent to oxacillin, although its safety profile is somewhat different.^[3]

Indications

Nafcillin is indicated in the treatment of staphylococcal infections, except those caused by MRSA.^[3]

U.S. clinical practice guidelines recommend either nafcillin or oxacillin as the first-line treatment of choice for staphylococcal endocarditis in patients without artificial heart valves.^[4]

Side-effects

As with all penicillins, serious life-threatening allergic reactions can occur.

Milder side-effects include:

Hypokalemia^[5]
Nausea and vomiting
Diarrhea, often due to suppression of normal gastrointestinal bacteria, which, on occasion, leads to a more serious super-infection with an organism like Clostridium difficile
Abdominal pain
Yeast infections (thrush) affecting the mouth and tongue or vagina
Agranulocytosis, neutropenia

Interactions

There is evidence that it induces cytochrome P-450 enzymes specifically CYP2C9.^[6]

Nafcillin contains salts added as stability media. These added salts could cause edema or fluid accumulation. It would be prudent to avoid this medication if there were a concern for a congestive heart failure or kidney disease.

References

^ Palmer DL, Pett SB, Akl BF (March 1995). "Bacterial wound colonization after broad-spectrum versus narrow-spectrum antibiotics". Ann. Thorac. Surg. 59 (3): 626–31. doi:10.1016/0003-4975(94)00992-9. PMID 7887701.
^ Tan AK, Fink AL (January 1992). "Identification of the site of covalent attachment of nafcillin, a reversible suicide inhibitor of beta-lactamase". Biochem. J. 281 (1): 191–6. PMC 1130660. PMID 1731755.
^ ^a ^b Pham P, Bartlett JG (January 2, 2009). "Nafcillin". Point-of-Care Information Technology ABX Guide. Johns Hopkins University. Retrieved on July 10, 2009. Freely available with registration.
^ Bonow RO, Carabello BA, Kanu C, et al. (August 2006). "ACC/AHA 2006 guidelines for the management of patients with valvular heart disease: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines (writing committee to revise the 1998 Guidelines for the Management of Patients With Valvular Heart Disease): developed in collaboration with the Society of Cardiovascular Anesthesiologists: endorsed by the Society for Cardiovascular Angiography and Interventions and the Society of Thoracic Surgeons". Circulation. 114 (5): e84–231. doi:10.1161/CIRCULATIONAHA.106.176857. PMID 16880336.
^ JA Mohr. (1979). Nafcillin-associated hypokalemia. JAMA
^ Lang CC, Jamal SK, Mohamed Z, Mustafa MR, Mustafa AM, Lee TC (June 2003). "Evidence of an interaction between nifedipine and nafcillin in humans". Br J Clin Pharmacol. 55 (6): 588–90. doi:10.1046/j.1365-2125.2003.01789.x. PMC 1884262. PMID 12814453.

[pmid7887701-1] Palmer DL, Pett SB, Akl BF (March 1995). "Bacterial wound colonization after broad-spectrum versus narrow-spectrum antibiotics". Ann. Thorac. Surg. 59 (3): 626–31. doi:10.1016/0003-4975(94)00992-9. PMID 7887701.

[pmid1731755-2] Tan AK, Fink AL (January 1992). "Identification of the site of covalent attachment of nafcillin, a reversible suicide inhibitor of beta-lactamase". Biochem. J. 281 (1): 191–6. PMC 1130660. PMID 1731755.

[POC-IT-3] Pham P, Bartlett JG (January 2, 2009). "Nafcillin". Point-of-Care Information Technology ABX Guide. Johns Hopkins University. Retrieved on July 10, 2009. Freely available with registration.

[4] Bonow RO, Carabello BA, Kanu C, et al. (August 2006). "ACC/AHA 2006 guidelines for the management of patients with valvular heart disease: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines (writing committee to revise the 1998 Guidelines for the Management of Patients With Valvular Heart Disease): developed in collaboration with the Society of Cardiovascular Anesthesiologists: endorsed by the Society for Cardiovascular Angiography and Interventions and the Society of Thoracic Surgeons". Circulation. 114 (5): e84–231. doi:10.1161/CIRCULATIONAHA.106.176857. PMID 16880336.

[5] JA Mohr. (1979). Nafcillin-associated hypokalemia. JAMA

[pmid12814453-6] Lang CC, Jamal SK, Mohamed Z, Mustafa MR, Mustafa AM, Lee TC (June 2003). "Evidence of an interaction between nifedipine and nafcillin in humans". Br J Clin Pharmacol. 55 (6): 588–90. doi:10.1046/j.1365-2125.2003.01789.x. PMC 1884262. PMID 12814453.

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@@ Line 66: / Line 66: @@
 There is evidence that it induces [[cytochrome P-450]] enzymes specifically CYP2C9.<ref name="pmid12814453">{{cite journal |vauthors=Lang CC, Jamal SK, Mohamed Z, Mustafa MR, Mustafa AM, Lee TC |title=Evidence of an interaction between nifedipine and nafcillin in humans |journal=Br J Clin Pharmacol |volume=55 |issue=6 |pages=588–90 |date=June 2003 |pmid=12814453 |pmc=1884262 |doi= 10.1046/j.1365-2125.2003.01789.x|url=http://www3.interscience.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0306-5251&date=2003&volume=55&issue=6&spage=588}}</ref>
-The other aspect of this medication is that this medication contains lots of salts as media. So it could cause some edema or fluid accumulation. It would be prudent to avoid this medication if there were a concern for a congestive heart failure or kidney disease.
+Nafcillin contains salts added as stability media. These added salts could cause edema or fluid accumulation. It would be prudent to avoid this medication if there were a concern for a congestive heart failure or kidney disease.
 ==References==