Cefaclor is indicated in the treatment of the following infections when caused by susceptible strains of the designated microorganisms:
Cefaclor is indicated in the treatment of the following infections when caused by susceptible strains of the designated microorganisms:
'''Otitis media''' caused by Streptococcus pneumoniae, Haemophilus influenzae, staphylococci, and Streptococcus pyogenes
* '''Otitis media''' caused by Streptococcus pneumoniae, Haemophilus influenzae, staphylococci, and Streptococcus pyogenes
Note: β-lactamase-negative, ampicillin-resistant (BLNAR) strains of Haemophilus influenzae should be considered resistant to cefaclor despite apparent in vitro susceptibility of some BLNAR strains.
'''Note''': β-lactamase-negative, ampicillin-resistant (BLNAR) strains of Haemophilus influenzae should be considered resistant to cefaclor despite apparent in vitro susceptibility of some BLNAR strains.
'''Lower respiratory tract infections''', including [[pneumonia]] caused by [[Streptococcus pneumoniae]], [[Haemophilus influenzae]], and [[Streptococcus pyogenes]].
* '''Lower respiratory tract infections''', including [[pneumonia]] caused by [[Streptococcus pneumoniae]], [[Haemophilus influenzae]], and [[Streptococcus pyogenes]].
Note: β-lactamase-negative, ampicillin-resistant (BLNAR) strains of Haemophilus influenzae should be considered resistant to cefaclor despite apparent in vitro susceptibility of some BLNAR strains.
'''Note''': β-lactamase-negative, ampicillin-resistant (BLNAR) strains of Haemophilus influenzae should be considered resistant to cefaclor despite apparent in vitro susceptibility of some BLNAR strains.
'''Pharyngitis and Tonsillitis''', caused by Streptococcus pyogenes
'''Pharyngitis and Tonsillitis''', caused by Streptococcus pyogenes
Note: Penicillin is the usual drug of choice in the treatment and prevention of streptococcal infections, including the prophylaxis of rheumatic fever. Cefaclor is generally effective in the eradication of streptococci from the nasopharynx; however, substantial data establishing the efficacy of cefaclor in the subsequent prevention of rheumatic fever are not available at present.
'''Note''': Penicillin is the usual drug of choice in the treatment and prevention of streptococcal infections, including the prophylaxis of rheumatic fever. Cefaclor is generally effective in the eradication of streptococci from the nasopharynx; however, substantial data establishing the efficacy of cefaclor in the subsequent prevention of rheumatic fever are not available at present.
'''Urinary tract infections''', including [[pyelonephritis]] and [[cystitis]], caused by Escherichia coli, Proteus mirabilis, Klebsiella spp., and coagulase-negative staphylococci
* '''Urinary tract infections''', including [[pyelonephritis]] and [[cystitis]], caused by Escherichia coli, Proteus mirabilis, Klebsiella spp., and coagulase-negative staphylococci
'''Skin and skin structure infections''' caused by Staphylococcus aureus and Streptococcus pyogenes
* '''Skin and skin structure infections''' caused by Staphylococcus aureus and Streptococcus pyogenes
Appropriate culture and susceptibility studies should be performed to determine susceptibility of the causative organism to cefaclor.
Appropriate culture and susceptibility studies should be performed to determine susceptibility of the causative organism to cefaclor.
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Overview
Cefaclor is a {{{drugClass}}} that is FDA approved for the {{{indicationType}}} of {{{indication}}}. Common adverse reactions include .
Adult Indications and Dosage
FDA-Labeled Indications and Dosage (Adult)
Indications
Cefaclor is indicated in the treatment of the following infections when caused by susceptible strains of the designated microorganisms:
Otitis media caused by Streptococcus pneumoniae, Haemophilus influenzae, staphylococci, and Streptococcus pyogenes
Note: β-lactamase-negative, ampicillin-resistant (BLNAR) strains of Haemophilus influenzae should be considered resistant to cefaclor despite apparent in vitro susceptibility of some BLNAR strains.
Note: β-lactamase-negative, ampicillin-resistant (BLNAR) strains of Haemophilus influenzae should be considered resistant to cefaclor despite apparent in vitro susceptibility of some BLNAR strains.
Pharyngitis and Tonsillitis, caused by Streptococcus pyogenes
Note: Penicillin is the usual drug of choice in the treatment and prevention of streptococcal infections, including the prophylaxis of rheumatic fever. Cefaclor is generally effective in the eradication of streptococci from the nasopharynx; however, substantial data establishing the efficacy of cefaclor in the subsequent prevention of rheumatic fever are not available at present.
Urinary tract infections, including pyelonephritis and cystitis, caused by Escherichia coli, Proteus mirabilis, Klebsiella spp., and coagulase-negative staphylococci
Skin and skin structure infections caused by Staphylococcus aureus and Streptococcus pyogenes
Appropriate culture and susceptibility studies should be performed to determine susceptibility of the causative organism to cefaclor.
To reduce the development of drug-resistant bacteria and maintain the effectiveness of cefaclor and other antibacterial drugs, cefaclor should be used only to treat or prevent infections that are proven or strongly suspected to be caused by susceptible bacteria. When culture and susceptibility information are available, they should be considered in selecting or modifying antibacterial therapy. In the absence of such data, local epidemiology and susceptibility patterns may contribute to the empiric selection of therapy.
Off-Label Use and Dosage (Adult)
Guideline-Supported Use
Condition1
Developed by:
Class of Recommendation:
Strength of Evidence:
Dosing Information
Dosage
Condition2
There is limited information regarding Off-Label Guideline-Supported Use of Cefaclor in adult patients.
Non–Guideline-Supported Use
Condition1
Dosing Information
Dosage
Condition2
There is limited information regarding Off-Label Non–Guideline-Supported Use of Cefaclor in adult patients.
Pediatric Indications and Dosage
FDA-Labeled Indications and Dosage (Pediatric)
Condition1
Dosing Information
Dosage
Condition2
There is limited information regarding FDA-Labeled Use of Cefaclor in pediatric patients.
Off-Label Use and Dosage (Pediatric)
Guideline-Supported Use
Condition1
Developed by:
Class of Recommendation:
Strength of Evidence:
Dosing Information
Dosage
Condition2
There is limited information regarding Off-Label Guideline-Supported Use of Cefaclor in pediatric patients.
Non–Guideline-Supported Use
Condition1
Dosing Information
Dosage
Condition2
There is limited information regarding Off-Label Non–Guideline-Supported Use of Cefaclor in pediatric patients.
Contraindications
Condition1
Warnings
Description
Precautions
Description
Adverse Reactions
Clinical Trials Experience
There is limited information regarding Clinical Trial Experience of Cefaclor in the drug label.
Body as a Whole
Cardiovascular
Digestive
Endocrine
Hematologic and Lymphatic
Metabolic and Nutritional
Musculoskeletal
Neurologic
Respiratory
Skin and Hypersensitivy Reactions
Special Senses
Urogenital
Miscellaneous
Postmarketing Experience
There is limited information regarding Postmarketing Experience of Cefaclor in the drug label.