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Pyridoxine Hydrochloride

Generic: Pyridoxine Hydrochloride

Verified·Apr 23, 2026
NDC
63323-180
ICD-10 indication
E53.1

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About Pyridoxine Hydrochloride

What is this medication? Pyridoxine Hydrochloride is a synthetic form of vitamin B6, a vital nutrient that the body requires for the healthy function of nerves, skin, and red blood cells. It is commonly prescribed to prevent or treat vitamin B6 deficiency, which can occur due to malnutrition, certain medical conditions, or as a side effect of specific drugs like those used to treat tuberculosis. Medical professionals also use this medication to manage certain types of inherited metabolic disorders and specific forms of anemia where the body fails to produce enough healthy red blood cells. This medication is also frequently utilized to help alleviate symptoms of morning sickness in pregnant women, often when other dietary changes have not been effective. Beyond its role in treating deficiencies, Pyridoxine Hydrochloride is essential for the metabolism of proteins, fats, and carbohydrates, and it assists in the production of important brain chemicals that regulate mood. By ensuring adequate levels of this vitamin, the medication helps prevent serious complications such as peripheral neuropathy, skin rashes, and certain types of seizures.

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 Hydrochloride. Official source: DailyMed (NLM) · Label effective Oct 15, 2024

Indications and usage
INDICATIONS AND 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 B 6 dependent convulsions or vitamin B 6 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 AND 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 B 6 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.
Drug interactions
Drug Interactions Pyridoxine supplements should not be given to patients receiving levodopa, because the action of the latter drug is antagonized by pyridoxine. However, this vitamin may be used concurrently in patients receiving a preparation containing both carbidopa and levodopa.
Adverse reactions
ADVERSE REACTIONS: To report SUSPECTED ADVERSE REACTIONS, contact Fresenius Kabi USA, LLC at 1-800-551-7176 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. Paresthesia, somnolence, and low serum folic acid levels have been reported.
Use in pregnancy
Pregnancy Pregnancy Category A —The requirement for pyridoxine appears to be increased during pregnancy. Pyridoxine is sometimes of value in the treatment of nausea and vomiting of pregnancy.

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

Click a condition to see copay cards, grants, and PA rules specific to it. For the full list of FDA-approved indications, see Prescribing information above.

Medicare Part D coverage

How Pyridoxine Hydrochloride appears across Medicare Part D plan formularies nationally. Source: CMS monthly Prescription Drug Plan file (2026-04-30).

Covered by plans

0%

14 of 5,509 plans

Most common tier

Tier 4

On 50% of covering formularies

Prior authorization required

50%

of covering formularies

TierFormularies on this tierShare
Tier 2 (generic)1
50%
Tier 4 (non-preferred brand)1
50%

Step therapy: 0% of formularies

Quantity limits: 50% of formularies

Coverage breadth: 2 of 65 formularies

How to read this:plans on the same formulary share tier + PA rules. Your specific plan's copay depends on (a) the tier above, (b) your plan's cost-share for that tier, (c) whether you're in the initial coverage phase or past the 2026 $2,000 out-of-pocket cap. For your exact plan, check its Summary of Benefits or log in to your Medicare.gov account. Copay cards don't apply to Medicare (federal law).

Prior authorization & coverage

PayerPAStep therapyCopay tier

Medicare Part D

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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.