Vitamin B12 Injection 1mg/2ml - ឱសថស្ថាន សិរីមង្គលថ្មី
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Prescription notice

Item may require a valid prescription. Please consult your doctor or pharmacist before using new medication.

Last updated 28/08/2026 at 5:12 PM

Indication

Vitamin B12 Injection (Cyanocobalamin 1 mg/2 mL) is used for the treatment and prevention of vitamin B12 deficiency states, including pernicious anaemia, megaloblastic anaemia due to B12 deficiency, and peripheral neuropathy, especially when oral absorption is impaired.

Ingredients
  • Vitamin B12
Direction

Adults: Administered by intramuscular injection by a healthcare professional. For deficiency treatment: 1 mg IM every 2–3 days for 2 weeks, then monthly for maintenance. Dose and schedule as directed by a physician.

Side effects
  • Injection site pain
  • Hypokalaemia (with intensive treatment of severe deficiency)
  • Allergic reactions including anaphylaxis (rare)
  • Acne
  • like skin eruptions (rare)
Precautions
  • For injection by trained healthcare professionals only.
  • Do not use if allergic to cyanocobalamin or cobalt.
  • Monitor for hypokalaemia when treating severe megaloblastic anaemia.
  • Exclude folate deficiency before treating megaloblastic anaemia with B12 alone.
  • Use with caution in Leber's hereditary optic neuropathy.
  • Keep out of reach of children.

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