Select a medication above to begin.
Quiofic
folic acid (vitamin B9)
Adult Dosing .
Dosage forms: SOLUTION: 0.2 mg per mL
Special Note
- [strength clarification]
- Info: doses expressed as folic acid; 1 mg PO folic acid = 1.67 mg Dietary Folate Equivalent (DFE) if taken with food or 2 mg DFE if taken on empty stomach
megaloblastic anemia, folate deficiency-associated
- [0.4 mg PO qd]
- Start: up to 1 mg PO qd until hematologic correction; Info: incr. usual dose to 0.8 mg PO qd in pregnant or breastfeeding patients; consider incr. usual dose if alcoholism, hemolytic anemia, or chronic infection; doses >1 mg/day rarely more effective
dietary supplementation
- [individualize dose]
- Info: see Dietary Reference Intakes: Vitamin B9 (folic acid) table
neural tube defect prevention (off-label)
- [0.4 mg PO qd]
- Start: at least 1mo before conception; Info: for patients of childbearing potential; continue through 12 wk gestation; give 4 mg PO qd if high risk of neural tube defect
renal dosing
- [not defined]
- renal impairment: not defined
- HD/PD: not defined
hepatic dosing
- [not defined]
Peds Dosing .
- Dosage forms: SOLUTION: 0.2 mg per mL
Special Note
- [strength clarification]
- Info: doses expressed as folic acid; 1 mg PO folic acid = 1.67 mg Dietary Folate Equivalent (DFE) if taken with food or 2 mg DFE if taken on empty stomach
megaloblastic anemia, folate deficiency-associated
- [<2 yo]
- Dose: 0.1 mg PO qd; Start: up to 1 mg PO qd until hematologic correction; Info: consider incr. usual dose if alcoholism, hemolytic anemia, or chronic infection; doses >1 mg/day rarely more effective
- [2-3 yo]
- Dose: up to 0.3 mg PO qd; Start: up to 1 mg PO qd until hematologic correction; Info: consider incr. usual dose if alcoholism, hemolytic anemia, or chronic infection; doses >1 mg/day rarely more effective
- [4 yo and older]
- Dose: 0.4 mg PO qd; Start: up to 1 mg PO qd until hematologic correction; Info: consider incr. usual dose if alcoholism, hemolytic anemia, or chronic infection; doses >1 mg/day rarely more effective
dietary supplementation
- [individualize dose]
- Info: see Dietary Reference Intakes: Vitamin B9 (folic acid) table
neural tube defect prevention (off-label)
- [0.4 mg PO qd]
- Start: at least 1mo before conception; Info: for patients of childbearing potential; continue through 12 wk gestation; give 4 mg PO qd if high risk of neural tube defect
renal dosing
- [not defined]
- renal impairment: not defined
- HD/PD: not defined
hepatic dosing
- [not defined]