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Línea 7: Línea 7:
*Hansen dz (leprosy)
*Hansen dz (leprosy)
**paucibacillary: 100 mg PO qd x6mo
**paucibacillary: 100 mg PO qd x6mo
**Use w/ rifampin
***Use w/ rifampin
**multibacillary: 100 mg PO qd x12mo
**multibacillary: 100 mg PO qd x12mo
**Use w/ rifampin, clofazimine
***Use w/ rifampin, clofazimine


*Dermatitis herpetiformis: 50 mg PO qd
*Dermatitis herpetiformis: 50 mg PO qd
Línea 18: Línea 18:
*PCP tx: 100 mg PO qd x21 days
*PCP tx: 100 mg PO qd x21 days
**Not 1st-line agent; use w/ trimethoprim
**Not 1st-line agent; use w/ trimethoprim
**Off label use


*Malaria suppression: 100 mg PO qwk
*Malaria suppression: 100 mg PO qwk
**Use w/ pyrimethamine
**Use w/ pyrimethamine
**Off label use


*Toxoplasmosis prophylaxis: 50 mg PO qd
*Toxoplasmosis prophylaxis: 50 mg PO qd
**Off label use


==Pediatric Dosing==
==Pediatric Dosing==

Revisión del 12:56 20 ene 2016

Administration

  • Type: Antibiotic
  • Dosage Forms: 25,100
  • Routes of Administration: Oral

Adult Dosing

  • Hansen dz (leprosy)
    • paucibacillary: 100 mg PO qd x6mo
      • Use w/ rifampin
    • multibacillary: 100 mg PO qd x12mo
      • Use w/ rifampin, clofazimine
  • Dermatitis herpetiformis: 50 mg PO qd
  • PCP prophylaxis: 100 mg/day PO divided qd-bid
    • Off label use
  • PCP tx: 100 mg PO qd x21 days
    • Not 1st-line agent; use w/ trimethoprim
    • Off label use
  • Malaria suppression: 100 mg PO qwk
    • Use w/ pyrimethamine
    • Off label use
  • Toxoplasmosis prophylaxis: 50 mg PO qd
    • Off label use

Pediatric Dosing

Special Populations

Renal Dosing

  • No adjustment

Hepatic Dosing

  • Caution advised with hepatic impairment

Contraindications

  • Allergy to class/drug
  • caution if renal or hepatic impairment
  • caution if impaired cardiovascular fxn

Adverse Reactions

Serious

  • anemia, hemolytic
  • aplastic anemia
  • agranulocytosis
  • exfoliative dermatitis
  • erythema multiforme
  • toxic epidermal necrolysis

Common

  • fever
  • myalgia
  • headache
  • rigors
  • fatigue
  • malaise
  • dizziness

Pharmacology

  • Half-life: 28 hrs
  • Metabolism: Liver, CYP450
  • Excretion: Urine

Mechanism of Action

Comments

See Also

References

<Epocrates, UpToDate>