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Scurvy: Treatment & Medication
Updated: Jan 21, 2009
- Overview
- Differential Diagnoses & Workup
- Treatment & Medication
- Follow-up
Treatment
Medical Care
- Scurvy is treated with ascorbic acid.
- Patients who undergo dialysis should receive 500 mg of supplemental vitamin C daily.
- Patients benefit from a daily multivitamin because of potential coexisting nutritional deficiencies.
Consultations
- Consult a dermatologist for evaluation of skin findings.
- Consult a nutritionist for evaluation of diet, nutritional education, and assistance.
- Consult an internal medicine specialist for evaluation of systemic findings.
Diet
- As little as 6-10 mg of vitamin C a day is sufficient to maintain body stores of more than 350 mg. Higher intakes are recommended for smokers and pregnant women. Fresh fruits and vegetables are the best sources of vitamin C. A small orange contains approximately 50 mg of vitamin C. In the United States, many beverages are fortified with vitamin C.
Medication
The goal of treatment of scurvy is to saturate the body rapidly with ascorbic acid. At maximum doses, body stores become saturated in a few days. With proper treatment, bleeding stops within 24 hours, and perifollicular petechiae resolve in 2 weeks.
Vitamins
Vitamins are essential for normal DNA synthesis and cell function.
Ascorbic acid (Vitamin C)
For collagen synthesis and tissue repair.
Adult
2 g PO/IV/PO qd for first 2 d, then 500 mg PO/IV qd for 1 wk; alternatively, 100 mg tid for 1 wk, then 100 mg qd for several wk until tissue saturation is normal
Pediatric
Prophylactic dose for infants on formula feedings: 35 mg/d PO/IM for first few wk of life; if formula contains 2-3 times amount of protein in human milk, dose should be 50 mg/d PO/IM (AMA Council on Drugs, 1980)
Decreases effects of warfarin and fluphenazine; increases aspirin levels; on occasion has been used as a specific antidote for symptoms resulting from interaction between ethanol and disulfiram; ascorbic acid in the urine may interfere with tests for glycosuria; concomitant administration of amygdalin and high doses of ascorbic acid may lead to cyanide toxicity by increasing conversion of amygdalin to hydrogen cyanide and by vitamin C – dependent depletion of body stores of cysteine, which is used to detoxify cyanide; doses as low as 250 mg may destroy up to 81% of cyanocobalamin in a moderate vitamin B-12 – containing meal and up to 25% in high vitamin B-12 – containing meal; coadministration of indinavir with high-dose ascorbic acid (vitamin C) may significantly reduce serum concentrations of indinavir
Documented hypersensitivity; large doses (given in pregnancy reported to cause scurvy in neonates removed from vitamin C–rich fetal environment)
Pregnancy
A - Fetal risk not revealed in controlled studies in humans
C - Fetal risk revealed in studies in animals but not established or not studied in humans; may use if benefits outweigh risk to fetus
Precautions
High doses should not be taken by diabetic patients, people on anticoagulant therapy, or those with a history of renal calculi or gout; RDA for lactating mothers is 90-100 mg (excreted in breast milk); caution in concurrent sodium-restricted diet; patients undergoing stool occult blood tests; some brands of injectable vitamin C contain sulfites, which can cause allergic reactions, including anaphylaxis, in susceptible individuals; some brands contain benzyl alcohol (avoid in premature infants); because of pressure build-up in ampules, wrap ampule with covering while opening
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References
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Further Reading
Keywords
infantile scurvy, Barlow disease, Barlow's disease, vitamin C deficiency, ascorbic acid, widower scurvy, chronic malnutrition
Treatment & Medication: Scurvy