Template:PCP pneumonia antibiotics

Mild Disease

  • TMP/SMX 2 DS tablets PO q8hrs daily OR
    • High incidence of allergy in HIV
  • Dapsone 100mg PO once daily + TMP 5mg/kg PO q8hrs OR
    • caution: dapsone can cause methemoglobinemia
  • Atavaquone 750mg PO q12hrs OR
  • Primaquine 30mg PO q24hrs + Clindamycin 450mg PO q8hrs

Severe Disease

  • TMP/SMX 5mg/kg IV q8hrs daily x 21 days OR
  • Pentamidine 4mg/kg IV daily infused over 60 minutes OR
    • Watch for side effects of hypoglycemia and hypotension
  • Primaquine 30mg PO once daily + Clindamycin 900mg IV q8hrs daily


  • TMP/SMX 1 double strength tablet daily, but one single strength tablet daily or one double-strength three times weekly is acceptable.[1]
  • CDC Guidelines for Prophylaxis Against Pneumocystis carinii Pneumonia for Children Infected with Human Immunodeficiency Virus http://www.cdc.gov/mmwr/preview/mmwrhtml/00001957.htm