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{{short description|Antibiotic}} |
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{{drugbox |
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{{Drugbox |
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| verifiedrevid = 327647768 |
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| Verifiedfields = changed |
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| verifiedrevid = 460022388 |
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| IUPAC_name = (6''R'',7''R'')-7-{[(2''R'')-2-amino-2-(4-hydroxyphenyl)acetyl]amino}-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid |
| IUPAC_name = (6''R'',7''R'')-7-{[(2''R'')-2-amino-2-(4-hydroxyphenyl)acetyl]amino}-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid |
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| image = Cefadroxil.svg |
| image = Cefadroxil.svg |
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<!--Clinical data--> |
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| CASNo_Ref = {{cascite}} |
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| tradename = Duricef |
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| InChI = 1/C16H17N3O5S.H2O/c1-7-6-25-15-11(14(22)19(15)12(7)16(23)24)18-13(21)10(17)8-2-4-9(20)5-3-8;/h2-5,10-11,15,20H,6,17H2,1H3,(H,18,21)(H,23,24);1H2/t10-,11-,15-;/m1./s1 |
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| Drugs.com = {{drugs.com|monograph|cefadroxil}} |
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| InChIKey = NBFNMSULHIODTC-CYJZLJNKBD |
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| MedlinePlus = a682730 |
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| pregnancy_category = |
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| legal_status = Rx Only |
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| routes_of_administration = Oral |
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<!--Pharmacokinetic data--> |
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| bioavailability = |
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| protein_bound = plasma protein |
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| metabolism = unknown |
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| elimination_half-life = 1.5 hours |
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<!--Identifiers--> |
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| CAS_number_Ref = {{cascite|correct|??}} |
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| CAS_number = 66592-87-8 |
| CAS_number = 66592-87-8 |
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| ATC_prefix = J01 |
| ATC_prefix = J01 |
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| ATC_suffix = DB05 |
| ATC_suffix = DB05 |
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| ATC_supplemental = |
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| PubChem = 47964 |
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| DrugBank_Ref = {{drugbankcite|correct|drugbank}} |
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| DrugBank = DB01140 |
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| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} |
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| ChemSpiderID = 43629 |
| ChemSpiderID = 43629 |
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| UNII_Ref = {{fdacite|correct|FDA}} |
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| ATC_supplemental = |
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| |
| UNII = 280111G160 |
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| KEGG_Ref = {{keggcite|correct|kegg}} |
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| DrugBank = APRD00196 |
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| KEGG = D02353 |
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| ChEBI_Ref = {{ebicite|correct|EBI}} |
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| ChEBI = 53667 |
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| ChEMBL_Ref = {{ebicite|changed|EBI}} |
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| ChEMBL = 1644 |
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<!--Chemical data--> |
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| C=16 | H=17 | N=3 | O=5 | S=1 |
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| smiles = O=C2N1/C(=C(\CS[C@@H]1[C@@H]2NC(=O)[C@@H](c3ccc(O)cc3)N)C)C(=O)O.O |
| smiles = O=C2N1/C(=C(\CS[C@@H]1[C@@H]2NC(=O)[C@@H](c3ccc(O)cc3)N)C)C(=O)O.O |
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| StdInChI_Ref = {{stdinchicite|correct|chemspider}} |
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| C = 16 | H = 17 | N = 3 | O = 5 | S = 1 |
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| StdInChI = 1S/C16H17N3O5S.H2O/c1-7-6-25-15-11(14(22)19(15)12(7)16(23)24)18-13(21)10(17)8-2-4-9(20)5-3-8;/h2-5,10-11,15,20H,6,17H2,1H3,(H,18,21)(H,23,24);1H2/t10-,11-,15-;/m1./s1 |
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| molecular_weight = 363.389 g/mol |
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| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} |
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| bioavailability = |
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| StdInChIKey = NBFNMSULHIODTC-CYJZLJNKSA-N |
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| protein_bound = plasma protein |
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| metabolism = unknown |
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| elimination_half-life = 1.5 hours |
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| pregnancy_category = |
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| legal_status = |
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| routes_of_administration = Oral |
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}} |
}} |
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<!-- Definition and medical uses --> |
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'''Cefadroxil''' is a [[broad-spectrum antibiotic]] of the [[cephalosporin]] type, effective in [[Gram-positive]] and [[Gram-negative]] bacterial infections. It is a [[bactericidal]] antibiotic. |
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'''Cefadroxil''' (formerly trademarked as '''Duricef''') is a [[broad-spectrum antibiotic]] of the [[cephalosporin]] type, effective in [[Gram-positive]] and [[Gram-negative]] bacterial infections. It is a [[bactericidal]] antibiotic. |
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<!-- Society and culture --> |
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== General use == |
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It was patented in 1967 and approved for medical use in 1978.<ref name=Fis2006>{{cite book | vauthors = Fischer J, Ganellin CR |title=Analogue-based Drug Discovery |date=2006 |publisher=John Wiley & Sons |isbn=9783527607495 |page=493 |url=https://books.google.com/books?id=FjKfqkaKkAAC&pg=PA493 |language=en}}</ref> |
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Cefadroxil is a first-generation cephalosporin antibacterial drug that is the para-hydroxy derivative of [[cefalexin]], and is used similarly in the treatment of mild to moderate susceptible infections such as the bacterium [[Streptococcus pyogenes]], causing the disease popularly called [[strep throat]]. |
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== |
==Medical use == |
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Cefadroxil is a first-generation cephalosporin antibacterial drug that is the para-hydroxy derivative of [[cephalexin]], and is used similarly in the treatment of mild to moderate susceptible infections such as the bacterium ''[[Streptococcus pyogenes]]'', causing the disease popularly called [[strep throat]] or [[streptococcal tonsillitis]], [[urinary tract infection]], [[reproductive tract infection]], and [[skin infections]].{{cn|date=March 2023}} |
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Cefadroxil is almost completely absorbed from the gastrointestinal tract. After doses of 500 mg and 1 g by mouth, peak plasma concentrations of about 16 and 30 micrograms/mL respectively are obtained after 1.5 to 2 hours. Although peak concentrations are similar to those of cefalexin, plasma concentrations are more sustained. Dosage with food does not appear to affect the absorption of cefadroxil. About 20% of cefadroxil is reported to be bound to plasma proteins. The plasma half-life of cefadroxil is about 1.5 hours and is prolonged in patients with renal impairment. |
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Cefadroxil is used as an antibiotic prophylaxis before dental procedures, for patients allergic to penicillins.{{cn|date=March 2023}} |
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Cefadroxil is widely distributed to body tissues and fluids. It crosses the placenta and appears in breast milk. |
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===Spectrum of bacterial resistance and susceptibility=== |
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More than 90% of a dose of cefadroxil may be excreted unchanged in the urine within 24 hours by glomerular filtration and tubular secretion; peak urinary concentrations of 1.8 mg/mL have been reported after a dose of 500 mg. Cefadroxil is removed by haemodialysis. |
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Cefadroxil has a broad spectrum of activity and has been effective in treating bacteria responsible for causing tonsillitis, and infections of the skin and urinary tract. Cefadroxil covers similar organisms to Cephalexin given that it is a derivative drug. The following represents MIC susceptibility data for a few medically significant microorganisms.<ref>{{cite web | title = Cefadroxil, Free Acid Susceptibility and Minimum Inhibitory Concentration (MIC) Data | url = http://www.toku-e.com/Assets/MIC/Cefadroxil.pdf }}</ref> |
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* ''Escherichia coli'': 8 μg/ml |
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* ''Staphylococcus aureus'': 1 – 2 μg/ml |
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* ''Streptococcus pneumoniae'': ≤1 – >16 μg/ml |
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== |
== Side effects == |
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The most common side effects of cefadroxil are [[diarrhea]] (which, less commonly, may be bloody), [[nausea]], [[upset stomach]], and [[vomiting]]. Other side effects include<ref name = "Drugs">{{cite web | url = https://www.drugs.com/sfx/cefadroxil-side-effects.html | title = Cefadroxil side effects | publisher = Drugs}}</ref> |
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[[rashes]], [[hives]], and [[itching]]. |
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== Pharmacokinetics == |
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Cefadroxil is given by mouth, and doses are expressed in terms of the anhydrous substance; 1.04 g of cefadroxil monohydrate is equivalent to about 1 g of anhydrous cefadroxil. |
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Cefadroxil is almost completely absorbed from the gastrointestinal tract. After doses of 500 mg and 1 g by mouth, peak plasma concentrations of about 16 and 30 micrograms/ml, respectively, are obtained after 1.5 to 2.0 hours. Although peak concentrations are similar to those of cefalexin, plasma concentrations are more sustained. Dosage with food does not appear to affect the absorption of cefadroxil. About 20% of cefadroxil is reported to be bound to plasma proteins. Its plasma half-life is about 1.5 hours and is prolonged in patients with renal impairment.{{cn|date=March 2023}} |
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Cefadroxil is widely distributed to body tissues and fluids. It crosses the placenta and appears in breast milk. More than 90% of a dose of cefadroxil may be excreted unchanged in the urine within 24 hours by glomerular filtration and tubular secretion; peak urinary concentrations of 1.8 mg/ml have been reported after a dose of 500 mg. Cefadroxil is removed by haemodialysis. |
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== Side effects == |
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The most common side effects of Cefadroxil are [[diarrhea]] (which, less commonly, may be bloody), [[nausea]], [[upset stomach]], and [[vomiting]]. Other side effects include<ref name = "Drugs">{{cite web | url = http://www.drugs.com/sfx/cefadroxil-side-effects.html | title = Cefadroxil side effects | publisher = Drugs}}</ref>: |
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*[[Rashes]] |
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*[[Hives]] |
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*[[Itching]] |
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*Red, swollen, or blistered skin |
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*Unusual bruising or bleeding |
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*[[Sore throat]] |
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*Difficulty breathing |
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*Tightness in the chest |
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*Swelling of the mouth, face, lips, or tongue |
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*[[Decreased urination]] |
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*Dark urine |
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*Vaginal itching, odor, or discharge |
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*[[Fever]] |
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*[[Chills]] |
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*[[Joint pain]] |
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*[[Seizures]] |
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*[[Cramps]] |
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*Unusual tiredness or weakness |
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*Yellowing of the skin or eyes |
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== |
== Dosage == |
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Cefadroxil is used as an antibiotic prophylaxis before dental procedures. |
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Cefadroxil is given by mouth, and doses are expressed in terms of the anhydrous substance; 1.04 g of cefadroxil monohydrate is equivalent to about 1 g of anhydrous cefadroxil.<br /> |
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(Always consider Amoxicillin plus Metronidazole as first line of treatment for dental procedures. In Case of penicillin allergy consider "Cefadroxil" for prophylaxis.){{Citation needed|date=November 2009}} |
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<!-- '''PO''' '''Adults'''. 500 mg–1g q12h; '''Peds'''. 15 mg/kg q12h; decrease in renal impair. --> |
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== Veterinary use == |
== Veterinary use == |
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It can be used for treating infected wounds on animals. Usually in powder form mixed with water, it has a color and smell similar to [[Tang (drink)|Tang]]. Given orally to animals, the amount is dependent on their weight and severity of infection. |
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== References == |
== References == |
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[[Category:Cephalosporin antibiotics]] |
[[Category:Cephalosporin antibiotics]] |
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[[Category:Phenols]] |
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[[ |
[[Category:Acetamides]] |
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[[fr:Céfadroxil]] |
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[[it:Cefadrossile]] |
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[[pl:Cefadroksyl]] |
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[[pt:Cefadroxil]] |
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[[sl:Cefadroksil]] |
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[[th:เซฟาดรอกซิล]] |
Latest revision as of 14:55, 12 March 2023
![]() | |
Clinical data | |
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Trade names | Duricef |
AHFS/Drugs.com | Monograph |
MedlinePlus | a682730 |
Routes of administration | Oral |
ATC code | |
Legal status | |
Legal status |
|
Pharmacokinetic data | |
Protein binding | plasma protein |
Metabolism | unknown |
Elimination half-life | 1.5 hours |
Identifiers | |
| |
CAS Number | |
PubChem CID | |
DrugBank | |
ChemSpider | |
UNII | |
KEGG | |
ChEBI | |
ChEMBL | |
CompTox Dashboard (EPA) | |
ECHA InfoCard | 100.051.397 |
Chemical and physical data | |
Formula | C16H17N3O5S |
Molar mass | 363.39 g·mol−1 |
3D model (JSmol) | |
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![]() ![]() |
Cefadroxil (formerly trademarked as Duricef) is a broad-spectrum antibiotic of the cephalosporin type, effective in Gram-positive and Gram-negative bacterial infections. It is a bactericidal antibiotic.
It was patented in 1967 and approved for medical use in 1978.[1]
Medical use
Cefadroxil is a first-generation cephalosporin antibacterial drug that is the para-hydroxy derivative of cephalexin, and is used similarly in the treatment of mild to moderate susceptible infections such as the bacterium Streptococcus pyogenes, causing the disease popularly called strep throat or streptococcal tonsillitis, urinary tract infection, reproductive tract infection, and skin infections.[citation needed]
Cefadroxil is used as an antibiotic prophylaxis before dental procedures, for patients allergic to penicillins.[citation needed]
Spectrum of bacterial resistance and susceptibility
Cefadroxil has a broad spectrum of activity and has been effective in treating bacteria responsible for causing tonsillitis, and infections of the skin and urinary tract. Cefadroxil covers similar organisms to Cephalexin given that it is a derivative drug. The following represents MIC susceptibility data for a few medically significant microorganisms.[2]
- Escherichia coli: 8 μg/ml
- Staphylococcus aureus: 1 – 2 μg/ml
- Streptococcus pneumoniae: ≤1 – >16 μg/ml
Side effects
The most common side effects of cefadroxil are diarrhea (which, less commonly, may be bloody), nausea, upset stomach, and vomiting. Other side effects include[3] rashes, hives, and itching.
Pharmacokinetics
Cefadroxil is almost completely absorbed from the gastrointestinal tract. After doses of 500 mg and 1 g by mouth, peak plasma concentrations of about 16 and 30 micrograms/ml, respectively, are obtained after 1.5 to 2.0 hours. Although peak concentrations are similar to those of cefalexin, plasma concentrations are more sustained. Dosage with food does not appear to affect the absorption of cefadroxil. About 20% of cefadroxil is reported to be bound to plasma proteins. Its plasma half-life is about 1.5 hours and is prolonged in patients with renal impairment.[citation needed]
Cefadroxil is widely distributed to body tissues and fluids. It crosses the placenta and appears in breast milk. More than 90% of a dose of cefadroxil may be excreted unchanged in the urine within 24 hours by glomerular filtration and tubular secretion; peak urinary concentrations of 1.8 mg/ml have been reported after a dose of 500 mg. Cefadroxil is removed by haemodialysis.
Dosage
Cefadroxil is given by mouth, and doses are expressed in terms of the anhydrous substance; 1.04 g of cefadroxil monohydrate is equivalent to about 1 g of anhydrous cefadroxil.
Veterinary use
It can be used for treating infected wounds on animals. Usually in powder form mixed with water, it has a color and smell similar to Tang. Given orally to animals, the amount is dependent on their weight and severity of infection.
References
- ^ Fischer J, Ganellin CR (2006). Analogue-based Drug Discovery. John Wiley & Sons. p. 493. ISBN 9783527607495.
- ^ "Cefadroxil, Free Acid Susceptibility and Minimum Inhibitory Concentration (MIC) Data" (PDF).
- ^ "Cefadroxil side effects". Drugs.