Vitamin B12 Injection

Product Overview

Vitamin B12 Injection is available in 1ml:0.5mg, 1ml:1mg, and 2ml:1mg dosages. This medication is essential for the prevention and treatment of pernicious anemia and other macrocytic anemias due to vitamin B12 deficiency. The injection is administered intramuscularly to ensure rapid and effective absorption.

API mixing

Filling

Vial sterilization

Therapeutic Indications

Vitamin B12 Injection is primarily used for:

Prophylaxis and Treatment of Pernicious Anemia: Effective in treating and preventing anemia caused by a deficiency of vitamin B12.

Treatment of Macrocytic Anemias: Addresses macrocytic anemias associated with vitamin B12 deficiency, both with and without neurological complications.

Dosage and Administration

Without Neurological Involvement:

Initial Treatment: 250 - 1000 micrograms on alternate days for 1 - 2 weeks.

Follow-Up: 250 micrograms weekly until blood count normalizes.

Maintenance (in malabsorption): 1000 micrograms monthly.

With Neurological Complications:

Initial Treatment: 1000 micrograms on alternate days until improvement is observed.

Follow-Up: 1000 micrograms monthly.

Prophylaxis in Gastrectomy or Malabsorption Syndromes:

250 - 1000 micrograms monthly.

Pregnancy and Breastfeeding

Cyanocobalamin, the active form of vitamin B12, is safe for use during pregnancy and breastfeeding. However, it should not be used to treat megaloblastic anemia of pregnancy unless a confirmed vitamin B12 deficiency is present.

Contra-indications and Warnings

Hypersensitivity: Contraindicated in patients with known hypersensitivity to cyanocobalamin.

Diagnosis Confirmation: Treatment should not commence without confirming vitamin B12 deficiency as it may mask folate deficiency and vice versa.

Optic Neuropathy: Not to be used in patients with Leber's disease or tobacco amblyopia due to potential further degeneration.

Urine Discoloration: Cyanocobalamin may color the urine red.

Drug Interactions: Parenteral chloramphenicol may reduce the efficacy of vitamin B12 in anemia treatment.

Pharmacological Properties

Vitamin B12 is crucial for the formation of red blood cells and the maintenance of the nervous system. It plays a significant role in DNA synthesis and neurological function. A deficiency can lead to serious health issues, including pernicious anemia and neurological disorders.

Mechanism of Action

Vitamin B12 acts as a coenzyme in the conversion of homocysteine to methionine, a crucial process for DNA synthesis and red blood cell production. It is also involved in maintaining the myelin sheath of nerve cells, which is essential for proper neurological function.

Storage Instructions

Temperature: Store in a cool place, protected from light.

Shelf Life: Typically stable for up to 3 years under proper storage conditions.

Clinical Efficacy

The effectiveness of Vitamin B12 Injection in quickly restoring normal vitamin B12 levels and improving anemia symptoms makes it a critical treatment in managing deficiency-related conditions. Its ability to correct severe deficiencies, especially where oral supplementation is not feasible, underscores its therapeutic importance.

Packaging and Logistics

Vitamin B12 Injection is packaged in sterile ampoules to maintain product integrity and sterility. The logistics ensure temperature-controlled transportation and careful handling to preserve the injection's efficacy from manufacturing to delivery.

Vitamin B12 Injection is an essential treatment for correcting vitamin B12 deficiencies, particularly in conditions where rapid correction is necessary. Its role in hematological and neurological health makes it a vital therapeutic tool in medical practice.

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