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Mecob Injection is a man-made form of vitamin B12. It is used to treat deficiency of vitamin B12 in the body. Vitamin B12 is important for growth, cell reproduction, blood formation, and protein and tissue synthesis. It also helps to treat anemia, fatigue, and numbness or tingling in the hands and feet.

Written By Dr. Subita Alagh, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 22 Sep 2025 | 01:45 PM (IST)
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General Information

The content is shown in English
Mecob Injection image
Mecob Injection image
Mecob Injection image

Product introduction

Mecob Injection should be used exactly as prescribed by the doctor. Follow all directions on the prescription label and read all medication guides before use. You should use it regularly and at a fixed time each day to get the most benefit from it. This medicine may be only part of a complete program of treatment that also includes making changes to your diet and taking other medicines and supplements. Learn about the foods you should eat to make sure you get enough vitamin B12 in your diet.

Mecob Injection is generally safe and does not usually cause any common side effects. Some medicines can decrease the absorption of vitamin B12, let your doctor know all other medicines you are taking to make sure you are safe. To make sure it is safe for you, before using the medicine let your doctor also know if you have any medical conditions such as Leber's disease, liver disease, or kidney disorder.

Uses of Mecob Injection

  • Vitamin B12 deficiency

Benefits of Mecob Injection

Vitamin B12 deficiency
Mecob Injection is a supplement of vitamin B12. It is used to treat low levels of vitamin B12 in your body. Vitamin B12 is essential in the formation of red blood cells and helps in the absorption of iron in the body. It also helps your body use fat and carbohydrates for energy and make new protein. In combination with other vitamins, it helps in strengthening the immune system, improves the metabolism of the body, and is important for the nervous system.

Side effects of Mecob Injection

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them
Common side effects of Mecob
  • No common side effects seen

How to use Mecob Injection

Your doctor or nurse will give you this medicine. Kindly do not self administer.

How Mecob Injection works

Mecob Injection is a form of vitamin B12 that restores its level in the body thereby helping in treating certain anemias and nerve problems.

All substitutes for Mecob Injection

For information purposes only. Consult a doctor before taking any medicine.

Quick tips

  • Mecob Injection helps replenish vitamin B12 level in your body.
  • This further helps in regeneration of damaged nerves in the body.
  • Avoid or limit alcohol consumption while taking this medication.

Safety advice

Alcohol

Alcohol

CONSULT YOUR DOCTOR
It is not known whether it is safe to consume alcohol with Mecob Injection. Please consult your doctor.
Pregnancy

Pregnancy

CONSULT YOUR DOCTOR
Mecob Injection may be unsafe to use during pregnancy. Although there are limited studies in humans, animal studies have shown harmful effects on the developing baby. Your doctor will weigh the benefits and any potential risks before prescribing it to you. Please consult your doctor.
Breast feeding

Breast feeding

CONSULT YOUR DOCTOR
Mecob Injection is probably unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby.
Driving

Driving

CONSULT YOUR DOCTOR
It is not known whether Mecob Injection alters the ability to drive. Do not drive if you experience any symptoms that affect your ability to concentrate and react.
Kidney

Kidney

CONSULT YOUR DOCTOR
There is limited information available on the use of Mecob Injection in patients with kidney disease. Please consult your doctor.
Liver

Liver

CONSULT YOUR DOCTOR
There is limited information available on the use of Mecob Injection in patients with liver disease. Please consult your doctor.

Interaction with drugs

Taking Mecob with any of the following medicines can modify the effect of either of them and cause some undesirable side effects
Moderate

Chloramphenicol (Oral Route)

Your doctor may monitor the effects of Methylcobalamin and recommend an alternative medication if required.
Moderate

Chloramphenicol (Injection Route)

Your doctor may monitor the effects of Methylcobalamin and recommend an alternative medication if required.

Frequently asked questions

Mecob Injection is a form of vitamin B12. Vitamin B12 is an essential nutrient which is required by the body to make red blood cells and maintain a healthy nervous system. It is also important for releasing energy from food and using vitamin B11 (folic acid).
You can get vitamin B12 from sources like meat, fish, eggs and dairy products. While people who are vegetarian or vegan may not get Vitamin B12 as it is not found naturally in foods such as fruits, vegetables and grains. Therefore, deficiency of Vitamin B12 is usually noticed in vegetarians or vegans.
Deficiency of vitamin B12 may cause tiredness, weakness, constipation, loss of appetite, weight loss and megaloblastic anemia (a condition when red blood cells become larger than normal). It may also lead to nerve problems such as numbness and tingling in the hands and feet. Other symptoms of vitamin B12 deficiency may include problems with balance, depression, confusion, dementia, poor memory and soreness of the mouth or tongue.
Mecob Injection is generally well tolerated and considered safe. However, in some cases, rare side effects may be observed such as nausea, diarrhea, anorexia and rash. Discontinue taking this medicine immediately if a rash occurs.
Mecob Injection can be injected directly into a vein (intravenously) or into a muscle (intramuscularly). The usual dose is 1 ampoule (0.5 mg of Mecob Injection) and is given 3 times a week. After 2 months, 1 ampoule (0.5 mg of Mecob Injection) is given every one to three months as a part of maintenance therapy.
Avoid taking the injections at the same site every time. If there is intense pain while injecting or if the blood flows back into the syringe, take out the needle and re-insert at a different site.

Fact Box

Chemical Class

Cobalamin Derivative

Habit Forming

No

Therapeutic Class

VITAMINS MINERALS NUTRIENTS

Action Class

Vitamins
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Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: Nectar Remedies Ltd
Address: 159/54 B H S ALLAHPUR ALLAHABAD UTTAR PRADESH UP 000000 IN , - , .

Vendor Details

Country of origin: India
A licensed vendor partner from your nearest location will deliver Mecob Injection. Once the pharmacy accepts your order, the details of the pharmacy will be shared with you. Acceptance of your order is based on the validity of your doctor's ℞ and the availability of this medicine.

In case of any issues, contact us

Email ID: [email protected]
Phone Number: 0124-4166666
Address: 5th Floor Tower - B of the Presidency Building, 46/4 Mehrauli Gurgaon Road, Sector 14, Gurugram, Haryana-122001, India
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