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cephalosporin

Contain a 6-member dihyrothiazine ring rather than a five member thiazolidine ring of penicillins. Allergic cross reactivity between penicillins & 1st generation cephalosporins is reported to be 3-7%; however, this may largely represent mislabeling of patients not truely allergic to penicillin. (see drug allergy) Indications: - treatment of bacterial infections due to susceptible organisms - skin or soft tissue infection [3] - impetigo - cellulitis - ecthyma gangrenosum - diabetic foot infection - lower respiratory tract infection - bronchitis - pneumonia - ventilator-associated pneumonia - pulmonary abscess - upper respiratory tract infection - pharyngitis - tonsillitis - acute otitis media - intra-abdominal infection - abdominal abscess - cholangitis - bacterial peritonitis - CNS infection - bacterial meningitis - sepsis - endocarditis - urogenital infection - urinary tract infection - chronic pyelonephritis - cervicitis - pelvic inflammatory disease - chancroid - infectious arthritis, osteomyelitis - Lyme disease - proctitis - ophthalmia neonatorum - meliodosis - infection in patients with cystic fibrosis - prophylaxis for perioperative infection - gastrointestinal surgery - prosthetic arthroplasty - transurethral resection of the prostate - hysterectomy - cesarean section - open heart surgery - prophylaxis for bacterial endocarditis - empiric treatment for febrile neutropenia - empiric treatment for fever of unknown origin [3] Antibiotic activity: Gram postivie - Streptococcus - Staphylococcus aureus (methicillin-sensitive) - no activity against methicillin-resistant Staphylococcus gram-negative - Haemophilus - Haemophilus parainfluenzae - Haemophilus parainfluenzae - Haemophilus parahemolyticus - Salmonella - Providencia - Morganella morganii - Moraxella catarrhalis [3] - Neisseria meningitidis [3] - Neisseria gonorrhoeae [3] - Pseudomonas aeruginosa [3] - Proteus mirabilis - Yersinia enterocolita - Yersinia pseudotuberculosis - Citrobacter - Klebsiella - Klebsiella pneumoniae - Enterobacter - Escherichia coli - Proteus - Serratia Anaerobes - Bacteroides fragilis - Peptococcus - Peptostreptococcus - Clostridium - Bacteroides - Fusobacterium Enterococcus Adverse effects: 1) Stevens-Johnson syndrome 2) erythema multiforme 3) toxic epidermal necrolysis 4) renal dysfunction 5) toxic nephropathy 6) aplastic anemia 7) hemolytic anemia 8) hemorrhage 9) cholestasis 10) pancytopenia 11) seizures [2]

Interactions

drug interactions drug adverse effects of cephalosporins

Related

type B drug reaction; drug-induced hypersensitivity syndrome; drug rash with eosinophilia & systemic symptoms (DIHS, DRESS)

Specific

cefiderocol (Fetroja) cefovecin (Convenia) cephalosporin, 1st generation cephalosporin, 2nd generation cephalosporin, 3rd generation cephalosporin, 4th generation cephalosporin, 5th generation

General

beta-lactam antibiotic

Database Correlations

Kegg map/map00311

References

  1. Medical Knowledge Self Assessment Program (MKSAP) 11, American College of Physicians, Philadelphia 1998
  2. Medications Can Cause Seizures Prescriber's Letter 10(3):16 2003 Detail-Document#: 190320 (subscription needed) http://www.prescribersletter.com
  3. Deprecated Reference