Dapsone: Difference between revisions

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===Indications===
 
===Indications===
   
*Second-line PJP prophylaxis (CD4 <200)
+
*Second-line [[Pneumocystis jirovecii]] prophylaxis (CD4 <200)
*Rifampicin and clofazimine as multidrug therapy (MDT) for the treatment of ''Mycobacterium leprae''
+
*Along with [[rifampicin]] and [[clofazimine]] as multidrug therapy (MDT) for the treatment of ''[[Mycobacterium leprae]]''
   
 
==Dosing==
 
==Dosing==
   
*'''Dermatitis herpetiformis:'''
+
*'''[[Dermatitis herpetiformis]]'''
 
**Start at 50 mg PO daily, increase to 300 mg daily in 25 mg increments every 1 to 2 weeks, up to 2 mg/kg/dose
 
**Start at 50 mg PO daily, increase to 300 mg daily in 25 mg increments every 1 to 2 weeks, up to 2 mg/kg/dose
 
**Pruritus usually improves within 72 hours, and the skin manifestations typically resolve within days
 
**Pruritus usually improves within 72 hours, and the skin manifestations typically resolve within days
 
**After 2-3 months of gluten-free diet, start tapering by 25 mg every four to six weeks
 
**After 2-3 months of gluten-free diet, start tapering by 25 mg every four to six weeks
*'''PJP prophylaxis (primary or secondary):'''
+
*'''[[Pneumocystis]] prophylaxis (primary or secondary)'''
 
**100 mg PO once daily or in 2 divided doses as monotherapy
 
**100 mg PO once daily or in 2 divided doses as monotherapy
 
**Continue until CD4 count >200 cells/mm3 for >3 months
 
**Continue until CD4 count >200 cells/mm3 for >3 months
*'''PJP treatment:''' 100 mg PO once daily in combination with [[trimethoprim]] for 21 days
+
*'''[[Pneumocystis]] treatment:''' 100 mg PO once daily in combination with [[trimethoprim]] for 21 days
   
== Safety ==
+
==Safety==
   
* Check CBC, liver, and G6PD deficiency before starting
+
*Check CBC, liver, and G6PD deficiency before starting
   
 
[[Category:Antibiotics]]
 
[[Category:Antibiotics]]

Latest revision as of 09:15, 3 March 2021

Background

  • Diamino-diphenyl sulfone

Indications

Dosing

  • Dermatitis herpetiformis
    • Start at 50 mg PO daily, increase to 300 mg daily in 25 mg increments every 1 to 2 weeks, up to 2 mg/kg/dose
    • Pruritus usually improves within 72 hours, and the skin manifestations typically resolve within days
    • After 2-3 months of gluten-free diet, start tapering by 25 mg every four to six weeks
  • Pneumocystis prophylaxis (primary or secondary)
    • 100 mg PO once daily or in 2 divided doses as monotherapy
    • Continue until CD4 count >200 cells/mm3 for >3 months
  • Pneumocystis treatment: 100 mg PO once daily in combination with trimethoprim for 21 days

Safety

  • Check CBC, liver, and G6PD deficiency before starting