About thiamine hcl + pyridoxine hcl + cyanocobalamin
Vitamin B-complex combination
Used for
- Prevention or treatment of thiamine, pyridoxine, or vitamin B12 deficiency
- Certain nerve problems caused by vitamin deficiencies
Usual adult dose
Varies by deficiency and product; injection dosing should follow the prescriber’s instructions.
Common side effects
- Injection-site pain or redness
- Nausea
- Rash or itching
- Rarely, severe allergic reaction
Important warnings
- Use injections under medical supervision.
- Long-term, high-dose pyridoxine can cause nerve damage.
- Do not use for unexplained anemia without diagnosis.
- Seek urgent care for signs of a severe allergic reaction.
Pregnancy
Use only when needed and directed by a healthcare professional; pregnancy-specific dosing depends on the deficiency.
Breastfeeding
These vitamins enter breast milk; use as directed, with dosing based on clinical need.
Interactions
- Levodopa without carbidopa: pyridoxine may reduce its effect.
- Chloramphenicol may reduce response to vitamin B12 treatment.
- Some medicines, including metformin and acid-reducing drugs, can impair vitamin B12 absorption.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.