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PYRIDOXINE HCI

Generic: PYRIDOXINE HCI

Verified·Apr 23, 2026
NDC
51662-1410
RxCUI
312736
Route
INTRAMUSCULAR
ICD-10 indication
E53.1

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About PYRIDOXINE HCI

What is this medication? Pyridoxine HCl is a synthetic form of vitamin B6, an essential nutrient that plays a vital role in many functions within the human body. It is primarily used to treat and prevent vitamin B6 deficiency, which can arise from a poor diet, certain genetic conditions, or as a side effect of specific medications. This vitamin is necessary for the healthy development and maintenance of the nervous system, the production of red blood cells, and the metabolism of proteins, carbohydrates, and fats. In addition to treating general deficiencies, this medication is used for more specialized purposes such as managing sideroblastic anemia or treating pyridoxine-dependent seizures in infants. It is also frequently utilized to help alleviate symptoms of morning sickness in pregnant women and to counteract the toxic effects of certain chemicals or drugs. Because excessive intake can lead to complications like nerve damage, it should only be used under the guidance of a healthcare professional.

Copay & patient assistance

Detailed copay and financial assistance information is not publicly available for this medication at this time. Please consult your pharmacist or the manufacturer's official patient support program for more details.

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Prescribing information

From the FDA-approved label for PYRIDOXINE HCI. Official source: DailyMed (NLM) · Label effective Jan 28, 2024

Indications and usage
INDICATIONS & USAGE Pyridoxine Hydrochloride Injection is effective for the treatment of pyridoxine deficiency as seen in the following: Inadequate dietary intake. Drug-induced deficiency, as from isoniazid (INH) or oral contraceptives. Inborn errors of metabolism, e.g., vitamin B6 dependent convulsions or vitamin B6 responsive anemia. The parenteral route is indicated when oral administration is not feasible as in anorexia, nausea and vomiting, and preoperative and postoperative conditions. It is also indicated when gastrointestinal absorption is impaired.
Dosage and administration
DOSAGE & ADMINISTRATION Pyridoxine Hydrochloride Injection may be administered intramuscularly or intravenously. In cases of dietary deficiency, the dosage is 10 to 20 mg daily for 3 weeks. Follow-up treatment is recommended daily for several weeks with an oral therapeutic multivitamin preparation containing 2 to 5 mg pyridoxine. Poor dietary habits should be corrected, and an adequate, well balanced diet should be prescribed. The vitamin B6 dependency syndrome may require a therapeutic dosage of as much as 600 mg a day and a daily intake of 30 mg for life. In deficiencies due to INH, the dosage is 100 mg daily for 3 weeks followed by a 30 mg maintenance dose daily. In poisoning caused by ingestion of more than 10 g of INH, an equal amount of pyridoxine should be given — 4 g intravenously followed by 1 g intramuscularly every 30 minutes. Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit.
Contraindications
CONTRAINDICATIONS A history of sensitivity to pyridoxine or to any of the ingredients in Pyridoxine Hydrochloride Injection, USP is a contraindication.
Warnings
WARNINGS WARNING: This product contains aluminum that may be toxic. Aluminum may reach toxic levels with prolonged parenteral administration if kidney function is impaired. Premature neonates are particularly at risk because their kidneys are immature, and they require large amounts of calcium and phosphate solutions, which contain aluminum. Research indicates that patients with impaired kidney function, including premature neonates, who receive parenteral levels of aluminum at greater than 4 to 5 mcg/kg/day accumulate aluminum at levels associated with central nervous system and bone toxicity. Tissue loading may occur at even lower rates of administration.
Adverse reactions
ADVERSE REACTIONS Paresthesia, somnolence, and low serum folic acid levels have been reported.

Label text is reproduced as-is from the FDA-approved label. We do not paraphrase, summarize, or omit. Content above is for informational purposes only and is not medical advice. Always consult your prescribing clinician or pharmacist before making decisions about your medication.

Conditions we've indexed resources for

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How this page is sourced

  • Drug identity verified against openFDA NDC Directory.
  • Label text (when shown) originates from NLM DailyMed.
  • Copay and assistance URLs verified periodically; if you hit a broken link, tell us.