Medications not yet evaluated by P&T are considered NON-FORMULARY . . . . . Always check 2 unique patient identifiers - NAME and DATE OF BIRTH - at every step! . . . . . Please be sure to document all clinical activities daily.
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niacinamide

niacinamide
Drug Name Form Strength Formulary Unrestricted Formulary Restricted Non-Formulary Interchange
niacinamide TABLET, EXTENDED RELEASE, ORAL 250 mg    
Vitamin B3, Vitamin B-3, nicotinamide TABLET, ORAL 100 mg, 500 mg      
niacinamide TABLET, ORAL 250 mg    
Comments:

Ordered Formulation

Therapeutic Interchange

Notes

niacinamide

  • 100 mg ER
  • Other IR doses < 150 mg
  • 150 mg - 450 mg IR
  • 250 mg IR
  • 250 mg ER
  • 500 mg ER

niacinamide

  • 100 mg IR
  • 100 mg IR
  • 200 mg IR (100 mg x2)
  • 200 mg IR (100 mg x2)
  • 200 mg IR (100 mg x2)
  • 500 mg IR tablet

Use 200 mg IR dose for doses of 150 - 400 mg IR and 100 mg tab for doses less than 150 mg. For ER doses, divide daily dose of IR in bid-tid dosing regimen of IR tablets (to similar dose that can be achieved with formulary strengths - pharmacist OTC dose rounding). For doses over 1,000 mg /day, use 500 mg tablets and round off to nearest 500 mg dose. For doses greater than 1,000 mg, give IR tablets bid/tid.

When interchanging niacinamide, do not interchange immediate release products with sustained release products or vice versa. This can increase chances of adverse drug reactions.

Reviewed: 28 Feb 2017 (niacinamide interchange)

Last updated: Dec. 21, 2017
  • Formulary, Not Routinely Stocked: niacinamide --> 100 mg






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