Peritonitis medical therapy

Peritonitis Main Page
Patient Information
Overview
Causes
Classification Spontaneous Bacterial Peritonitis Secondary Peritonitis
Differential Diagnosis

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Medical Therapy

Depending on the severity of the patient's state, the management of peritonitis may include:

• General supportive measures such as vigorous intravenous rehydration and correction of electrolyte disturbances.
• Antibiotics are usually administered intravenously, but they may also be infused directly into the peritoneum. The empiric choice of broad-spectrum antibiotics often consist of multiple drugs, and should be targeted against the most likely agents, depending on the cause of peritonitis; once one or more agents are actually isolated, therapy will of course be targeted on them.

Antibiotic therapy

Peritonitis   ▸  Dialysis (CAPD) Associated   ▸  Secondary   ▸  Primary Spontaneous Bacterial

Dialysis (CAPD) Associated Gram-positive cocci ▸ Vancomycin Gram-negative bacilli ▸ Cefepime OR ▸ Ceftazidime OR ▸carbapenem OR ▸Aztreonam OR ▸'Ciprofloxacin OR ▸Gentamicin ▸ Add an antifungal only if yeast seen on Gram-stain ▸ Continuous therapy until culture results available ▸ Beta-lactam continuous therapy OR ▸Aminoglycoside intermittent therapy]] Secondary Preferred Regimen Mild/Moderate Peritonitis ▸ Piperacillin Tazobactam 3.375 gm IV OR ▸4.5 gm IV q8h OR ▸4-hr infusion of 3.375 gm q8h OR ▸Ticarcillin Clavulanate 3.1 gm IV q6h OR ▸Ertapenem 1 gm IV q24h OR ▸Moxifloxacin 400 mg IV q24h Severe Disease ▸ Imipenem 500 mg to 1 gm IV q6h OR ▸Meropenem 1 gm IV q8h OR ▸Doripenem 500 mg IV q8h (1-hr infusion) If Candida is suspected ▸ Fluconazole 200-400 mg po/IV once daily Alternate Regimen Mild/Moderate Disease ▸ (Ciprofloxacin 400 mg IV q12h OR ▸ Levofloxacin 750 mg IV q24h PLUS ▸ Metronidazole 1 gm IV q12h OR ▸ Cefepime 2 gm q12h PLUS ▸ Metronidazole 1 gm IV q12h OR ▸ Tigecycline 100 mg IV x 1 dose, then 50 mg q12h Severe Disease ▸ Ampicillin PLUS ▸ Metronidazole PLUS ▸ Ciprofloxacin 400 mg IV q8h OR ▸Levofloxacin 750 mg IV q24h ▸ Ampicillin 2 gm IV q6h PLUS ▸ Metronidazole 1200 mg IV q12h PLUS ▸ Aminoglycoside Primary Spontaneous Bacterial Preferred Regimen ▸ Cefotaxime 2 gm IV q8h (q4h, if life-threatening infection) OR ▸Ticaricillin Clavulanate 3.1 gm IV q6h OR ▸Piperacillin Tazobactam 3.375 gm IV q6h (or 4-hour infusion of 3.375 gm q8h) OR ▸Ceftriaxone 2 gm IV q24h OR ▸Ertapenem 1 gm IV q24h If resistant E. coli, Klebsiella species ▸ Imipenem 500 mg IV q6h]] OR ▸Meropenem 1000 mg IV q8h OR ▸Doripenem 500 mg IV q8h (1 hr infusion) Check sensitivities ▸ Ciprofloxacin 400 mg IV q12h OR ▸Levofloxacin 750 mg IV once daily OR ▸Moxifloxacin 400 mg IV once daily In addition to antibiotic ▸IV Albumin 1.5 gm/kg at diagnosis and 1 gm/kg on day 3 to decrease frequency of renal impairment Preventive regimen for chronic ascites ▸TMP-SMX-DS 1 tab po 5 days/week OR ▸Ciprofloxacin 750 mg po once/week

References

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