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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 13:15, 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