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Vitamin B Complex

Generic: thiamine hydrochloride, riboflavin 5 phosphate sodium, dexpanthenol and niacinamide

Verified·Apr 23, 2026
Manufacturer
Pfizer
NDC
67457-146
RxCUI
801177
Route
INTRAVENOUS
ICD-10 indication
E56.9

Affordability Check

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About Vitamin B Complex

Vitamin B Complex 100 is a prescription injectable medication containing thiamine, riboflavin, niacinamide, pyridoxine, and dexpanthenol. It is indicated for the treatment of vitamin B deficiencies in patients who cannot tolerate oral medication or require immediate absorption due to conditions like alcoholism or malabsorption.

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.

External links go directly to the manufacturer's portal. RxCopays does not receive compensation for referrals.

Compare pricing elsewhere

RxCopays doesn't sell drugs or take referral fees. Here are the transparent-pricing directories we recommend checking alongside your insurance formulary.

Cost Plus Drug Company

Mark Cuban's transparent-pricing pharmacy — manufacturer cost + 15% markup + $5 dispensing fee. No insurance needed. Search alphabetically for thiamine hydrochloride, riboflavin 5 phosphate sodium, dexpanthenol and niacinamide.

Browse Cost Plus medications →

GoodRx

Compare local pharmacy prices with GoodRx coupons. Use the price with your insurance or without — whichever is cheaper.

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NeedyMeds

Independent nonprofit directory of patient assistance programs, copay cards, and charity co-pay foundations.

Search for thiamine hydrochloride, riboflavin 5 phosphate sodium, dexpanthenol and niacinamide →

RxAssist

PAP directory maintained by Volunteers in Health Care at Brown University. Free, no ads.

Search PAPs →

We deep-link because transparency helps patients. None of these partners pay RxCopays.

Prescribing information

From the FDA-approved label for Vitamin B Complex. Official source: DailyMed (NLM) · Label effective Sep 15, 2021

Indications and usage
INDICATIONS AND USAGE In disorders requiring parenteral administration of vitamins, i.e. pre- and post-operative treatment, when requirements are increased as in fever, severe burns, increased metabolism, pregnancy, gastrointestinal disorders interfering with intake or absorption of vitamins, prolonged or wasting diseases, alcoholism and where other deficiencies exist.
Dosage and administration
DOSAGE AND ADMINISTRATION Usually 0.25 to 2 mL by intramuscular or slow intravenous injection. High concentrations given intravenously may be diluted using parenteral infusion solutions. (See PRECAUTIONS .) Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever the solution and container permit (see HOW SUPPLIED ).
Contraindications
CONTRAINDICATIONS Sensitivity to the ingredients listed.
Warnings
WARNINGS Anaphylactogenesis may occur with parenteral thiamine. Use with caution. An intradermal test dose is recommended prior to administration in patients suspected of being sensitive to the drug.
Adverse reactions
ADVERSE REACTIONS Mild transient diarrhea, polycythemia vera, peripheral vascular thrombosis, itching transitory exanthema, feeling of swelling of entire body, anaphylactic shock and death. Sensitivity to the ingredients listed may occur (see WARNINGS ). Use should be discontinued upon observance of any untoward reaction. Pain upon intramuscular injection may be noted.

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.

Prior authorization & coverage

PayerPAStep therapyCopay tier

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Medicare Part D

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Related drugs

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.