ascorbic acid (vitamin C)

Adult Dosing .

Dosage forms:  CAP: 500 mg, 1000 mg; TAB: 250 mg, 500 mg, 1000 mg; ER TAB: 500 mg, 1000 mg, 1500 mg; ODT: 60 mg; CHEWABLE: 100 mg, 125 mg, 250 mg, 500 mg; GRANULE: 5000 mg per tsp; SOL: 500 mg per 5 mL; INJ: 500 mg per mL

dietary supplementation

[individualize dose]

Info: see Dietary Reference Intakes: Vitamin C (ascorbic acid) table

scurvy

[100-250 mg PO/SC/IM/IV qd-bid]

Max: 6 g/day; Info: doses >500 mg/day rarely more effective; give x2wk, then cont. dietary supplementation

urinary acidification (off-label)

[1-3 g PO tid-qid]

common cold (off-label)

[1-3 g PO qd]

methemoglobinemia, adjunct tx (off-label)

[300-600 mg PO qd]

renal dosing

[see below]

renal impairment: not defined, caution advised

HD/PD: not defined, caution advised

hepatic dosing

[not defined]

Peds Dosing .

Dosage forms:  CAP: 500 mg, 1000 mg; TAB: 250 mg, 500 mg, 1000 mg; ER TAB: 500 mg, 1000 mg, 1500 mg; ODT: 60 mg; CHEWABLE: 100 mg, 125 mg, 250 mg, 500 mg; GRANULE: 5000 mg per tsp; SOL: 500 mg per 5 mL; INJ: 500 mg per mL

dietary supplementation

[individualize dose]

Info: see Dietary Reference Intakes: Vitamin C (ascorbic acid) table

scurvy (off-label)

[infants]

Dose: 50-100 mg/day PO/SC/IM/IV divided qd-bid; Info: give x2wk, then cont. dietary supplementation

[children]

Dose: 100-300 mg/day PO/SC/IM/IV divided qd-bid; Info: give x2wk, then cont. dietary supplementation

renal dosing

[see below]

renal impairment: not defined, caution advised

HD/PD: not defined, caution advised

hepatic dosing

[not defined]