HY: Antibiotics
meduploader - 05-06-09 05:47

Best Initial Antibiotics for different Organisms :
Staph.Aureus Oxacillin, cloxacillin, dicloxacill, Neficillin
OR
Cefazolin, Cefadroxil, Cefalaxin (1st generation Cephalosporin) Macrolide / Newer Fluoroquinolones (if Anaphylaxis to both above group of drugs & less serious infection) Vancomycin / Linezolid (MRSA / more serious infection)
Streptococcus  Penicillins ( If sensitive ) / Ceftriaxone .
Strep . Viridians Penicillin G / Ceftriaxone .
Strep . Pyogens  Penicillin G / Ampicillin .
Strep . Pneumonia Penicillin G / Ceftriaxone /newer fluoroquinolone.
Strep . meningitis Ceftriaxone .
Listeria Monocytogens Ampicillin .
Rickettsia  Chloramphenicol (children) / Doxycycline (Adults). Erythromycin.
Chlamydia , Mycoplasma  Macrolides / Doxycycline .
Lyme disease  Amoxicillin (9 yrs of age) / Ceftriaxone (disseminated Lyme – bilateral Bell’s palsy, MENINIGITS, 2nd, 3rd degree heart block)
Syphilis  Penicillin G
Gonococcus  Ceftriaxone
C.jejunii  Erythromycin (Macrolides)
H.influenzae  2nd / 3rd generation Cephalosporin
E.Coli  Ciprofloxacin / Ampicillin
Pseudomonas Piperacillin , Ticarcillin / Imipenem , Meropenem
Abdominal Anaerobes  Metronidazole
Mouth Anaerobe s  Clindamycin.
Klebsiella  2nd / 3rd generation Cephalosporin .
Penicillin + Aminoglycosides  Enterobacteraceae , Pseudomonas
Cryptococcus  ( severe ) Amptotericin B , ( Prophylaxis ) Fluconazole .
Candida  Fluconazole .
Dermatophytes  Terfinabine (oral) / Meconazole (local).
PCP  Trimethoprim + Sulfamethoxazole