Mecobalamin is a vitamin B-12 co-enzyme that occurs in blood and cerebrospinal fluid. Mecobalamin is taken by nerve tissues more actively and extensively than other homologues of vitamin B12. Mecbalamine accerelates the synthesis of nucleic acid in bone marrow as well as promotes the maturation and division of erythroblast and haeme synthesis, resulting in an increase in erythrocyte (RBCs) production.


Primary Characterstics

Molecular Structure of Mecobalamin
Mecobalamin also known as Methyl cabolamine. . It is of Natural origin and belongs to Co-enzyme. It belongs to Vitamins and Peripheral Neuropathies pharmacological group.The Molecular Weight of Mecobalamin is 1344.40.


Metabolism is reported Hepatic. Renal Excretion accounts for 40-80%. also excreted in bile and plasma half life is 12.5 hr.



Mecobalamin is contraindicated in conditions like Hypersensitivity to any component of product.

Drug Interactions

No data regarding the interactions of Mecobalamin was found.

Interference in Pathology

  • false + result for intrinsic factor antibody

Side Effects

Mecobalamin produces potentially life-threatening effects which include Cardiac arrhythmia, Aggravation of acidosis. which are responsible for the discontinuation of Mecobalamin therapy.

The symptomatic adverse reactions produced by Mecobalamin are more or less tolerable and if they become severe, they can be treated symptomatically, these include Headache, Nausea, Vomiting, Anorexia, Diarrhea, Tachycardia, Sweating, Skin RashX, Hot sensation, Allergic hypersensitivity reactions.

Available Brands

Click on the appropriate strength of the dosage form to view its available brands.

Single Ingredient

Inj: 500 mcg, 500 mcg/ml,
Liquid: 35 mcg/5ml,
Tabs: 500 mcg,
Caps: 500 mcg,
Powder: 500 mcg/Sachet,

Multi ingredient

Inj: 1000 mcg/ml, 1000 mcg/3ml,
Syrup: 3 mcg/5ml, 5 mcg/5ml, 8.33 mcg/5ml, 1.666 mcg/5ml,
Tabs: 25 mcg, 200 mcg, 500 mcg,


Mecobalamin's dosage details are as follows:
Dose Single Dose Frequency Route Instructions

Adult Dosage

250 to 1000 mcg620 (625)As recommended.IM, IVAlternate days for 1 to 2 weeks followed by 250 mcg weekly. Then for maintenance administer 1000 mcg every 2-3 weeks.
500 mcg500 (500)8 hourlyPOTreatment depends upon extent of iron deficiency.

Paedriatic Dosage ( 20 Kg. )

No data regarding the Paedriatic dosage details of Mecobalamin is available.

Neonatal Dosage ( 3 Kg. )

No data regarding the neonatal dosage details of Mecobalamin is available.

High Risk Groups

If prescribing authority justifies the benefits of the drug against the possible damages he/she should reevaluate them and consult the reference material and previous studies.

Warning / Precautions

Mecobolamine should be used with caution in patients with any pre-existing illnesses or any allergies.This medication should be used only as directed during pregnancy or lactation.

Storage Conditions


Store Between 15°C-30°C. Do not Freeze.

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