Drug-dose Conversions Flashcards
IV:PO Levothyroxine
0.75:1
Switching Aminophyline to theophylline and Vice versus
1:0.8
A to T: So will multiply A by 0.8
T to A: will divide T by 0.8
How many mg of elemental calcium is in calcium carbonate?
1 g calcium carbonate = 400 mg elemental calcium
How many milligrams of elemental calcium are in calcium citrate?
1 g calcium citrate = 210 mg elemental calcium
How to convert doses between insulins?
Most insulin conversions are 1:1
Exceptions:
• 1) NPH dosed b.i.d. —> insulin glargine ( Lantus, toujeo) WILL DO
—use 80% of NPH dose
• 2) Toujeo —> insulin glargine or insulin detemir WILL DO
— use 80% of toujeo dose
What % elemental iron is an oral ferrous sulfate?
20%
What % of elemental iron is an oral carbonyl iron, polysaccharide iron complex, ferric maltol?
100%
How to convert from lithium citrate syrup to lithium ion to lithium carbonate?
5mL lithium citrate = 8 mEq lithium ion = 300 mg lithium carbonate
How to convert between loop diuretics?
Furosemide 40 mg = torsemide 20 mg = bumetanide 1 mg = ethacrynic acid 50 mg
Furosemide IV: PO?
1:2
KCl (klor-con) 10% has ___ mEq/___mL?
20mEq/15mL
KCl (klor-con) 20% has ___ mEq/___mL?
40 mEq/15mL
Metoprolol IV: PO?
1:2.5
What are the dose equivalences for systemic steroids?
Cute, hot pharmacist and physicians, married together and deliver babies
[Cortisone 25mg, hydrocortisone 20, prednisone 5, prednisolone 5, methylprednisolone 4, triamcinolone 4, dexamethasone 0.75, Betamethasone 0.6 mg]
Short acting (Cortizone and Hydro Cortizone)
Long acting (dexamethasone, and Betamethasone )
What are the statin equivalent doses?
Pharmacist rock at saving lives and preventing fatty deposits
[Pitavastatin 2 mg, rosuvastatin 5, atorvastatin, simvastatin, lovastatin, pravastatin, fluvastatin ]
2 , 5, 10, 20, 40, 40, 80
