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  3. Cobafast 2500 Injection 1 ml

Cobafast 2500 Injection 1 ml, Pack of 1 INJECTION
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Written By Bayyarapu Mahesh Kumar , M Pharmacy
Reviewed By Santoshini Reddy G , M Pharmacy

Cobafast 2500 Injection 1 ml belongs to the class of vitamins used in the treatment of peripheral neuropathies and megaloblastic anaemia. This medicine contains methylcobalamin which helps protect the nerves from damage and promotes blood cell production. Some of the common side effects include pain, itching, swelling or redness at the injection site, nausea, vomiting, diarrhoea, and headache.

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Composition :

METHYLCOBALAMIN-2500MCG

Manufacturer/Marketer :

Zydus Cadila

Consume Type :

PARENTERAL

Return Policy :

Not Returnable

Expires on or after :

About Cobafast 2500 Injection 1 ml

Cobafast 2500 Injection 1 ml belongs to the class of vitamins primarily used to treat peripheral neuropathies and megaloblastic anaemia caused by vitamin B12 deficiency. Megaloblastic anaemia is a condition in which the red blood cells are abnormally large. Peripheral neuropathy causes damage to the nerves located outside the spinal cord and brain.

Cobafast 2500 Injection 1 ml contains Methylcobalamin, a form of vitamin B12, which protects the nerves from damage and promotes blood cell production. It regulates body functions, such as cell multiplication, blood formation, and protein synthesis.

In some cases, Cobafast 2500 Injection 1 ml may cause side effects such as pain, itching, swelling or redness at the injection site, nausea, vomiting, diarrhoea, and headache. Most of these side effects do not require medical attention and resolve gradually over time. However, you are advised to talk to your doctor if the side effects persist or worsen.

Let your doctor know if you are allergic to methylcobalamin, or any other medications. Inform your doctor if you are pregnant, planning a pregnancy, or are breastfeeding. Keep your doctor informed about your present and past medical history and ongoing medicines to rule out any side effects.

Uses of Cobafast 2500 Injection 1 ml

Cobafast 2500 Injection 1 ml is used in the treatment of vitamin B12 deficiency and peripheral neuropathy. The detailed uses of Cobafast 2500 Injection 1 ml are as follows:

Treat vitamin B12 deficiency: Cobafast 2500 Injection 1 ml helps correct vitamin B12 deficiency, particularly in individuals with dietary insufficiency, malabsorption conditions (like pernicious anaemia or post-gastrointestinal surgery), or chronic illnesses.

Support nerve health: Cobafast 2500 Injection 1 ml helps manage peripheral neuropathy by supporting nerve repair and function. It may help relieve symptoms such as numbness, tingling, burning, or pain in the hands and feet.

Promote healthy red blood cell production: Cobafast 2500 Injection 1 ml helps treat megaloblastic anaemia by supporting the formation of normal, healthy red blood cells, thereby reducing fatigue, weakness, and shortness of breath associated with anaemia.

Directions for Use

  • Follow your doctor's instructions on the dosage and timing of this medication to ensure safe and effective use.
  • Cobafast 2500 Injection 1 ml will be administered by the doctor or healthcare professional.
  • Do not self-administer.

Medicinal Benefits

  • Cobafast 2500 Injection 1 ml contains Methylcobalamin, the active form of vitamin B12, which is essential for the normal functioning of the brain and nervous system.
  • It helps manage peripheral neuropathy by supporting nerve repair and relieving symptoms such as numbness, tingling, and burning sensations in the hands and feet.
  • Cobafast 2500 Injection 1 ml supports the production of healthy red blood cells, making it effective in treating megaloblastic anaemia caused by vitamin B12 deficiency.
  • It plays a critical role in DNA synthesis and protein formation, which are vital for normal cell growth and repair.
  • Cobafast 2500 Injection 1 ml helps maintain normal energy metabolism by aiding in the conversion of food into energy, especially in people with B12 deficiency.

How Cobafast 2500 Injection 1 ml Works

Cobafast 2500 Injection 1 ml contains Methylcobalamin, a form of vitamin B12, which protects the nerves from damage and promotes blood cell production. It regulates body functions, such as cell multiplication, blood formation, and protein synthesis.

Storage

• Store in a cool and dry place away from sunlight.• Keep out of sight and reach of children.• Non cold chain - To be stored in cool places at 10ºC to 25ºC or below 30ºC.

What if I have taken an overdose of Cobafast 2500 Injection 1 ml

Cobafast 2500 Injection 1 ml is administered by a health care professional in a hospital setting. Hence, the chances of overdose are less. Overdose may cause headache, nausea or vomiting. Your doctor may take necessary measures if an overdose is suspected.

Drug Warnings

  • Before taking Cobafast 2500 Injection 1 ml, inform your doctor if you have any allergies or sensitivities to medicines, foods, or preservatives.
  • Tell your doctor if you have any medical conditions, especially liver or kidney problems, or Leber’s disease (a rare genetic eye disorder).
  • Inform your doctor about all other medicines, supplements, or treatments you are currently taking, as some may affect vitamin B12 absorption or action.
  • If you are pregnant, planning pregnancy, or breastfeeding, consult your doctor before receiving Cobafast 2500 Injection 1 ml, as its use will be based on potential benefits and risks.

Drug-Drug Interactions

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MecobalaminChloramphenicol
Moderate
MecobalaminNeomycin
Moderate

Drug-Drug Interactions

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MecobalaminChloramphenicol
Moderate
How does the drug interact with Cobafast 2500 Injection 1 ml:
Coadministration of Cobafast 2500 Injection 1 ml with Chloramphenicol can impair absorption and increase the levels of Cobafast 2500 Injection 1 ml which can increase the risk or severity of side effects.

How to manage the interaction:
Taking Cobafast 2500 Injection 1 ml with Chloramphenicol together can possibly result in an interaction, it can be taken if your doctor has advised it. However, if you notice any symptoms of Vomiting, Diarrhoea, Nausea, Headache, or Loss of appetite, you should contact your doctor immediately. Do not stop using any medications without first talking to your doctor.
MecobalaminNeomycin
Moderate
How does the drug interact with Cobafast 2500 Injection 1 ml:
Coadministration of Cobafast 2500 Injection 1 ml with Neomycin can impair the absorption of Cobafast 2500 Injection 1 ml and increase its levels which can increase the risk or severity of side effects.

How to manage the interaction:
Taking Cobafast 2500 Injection 1 ml with Neomycin together is not recommended as it can possibly result in an interaction, it can be taken if your doctor has advised it. However, if you notice any symptoms of Vomiting, Diarrhoea, Nausea, Headache, or Loss of appetite you should contact your doctor immediately. Do not stop using any medications without first talking to your doctor.

Drug-Food Interactions

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No Drug - Food interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Food Interactions

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Diet & Lifestyle Advise

  • A healthy diet and lifestyle help improve vitamin B12 levels and support nerve health.
  • Eat B12-rich foods such as eggs, dairy products, fish (like salmon and tuna), chicken, and fortified cereals.
  • Include folate-rich foods, such as leafy greens, legumes, and whole grains, to support red blood cell production.
  • Avoid excessive alcohol, as it can interfere with vitamin B12 absorption and worsen nerve symptoms.
  • For vegetarians or vegans, consider B12-fortified foods or supplements after consulting a doctor.
  • Stay physically active with gentle exercises, such as walking or yoga, to improve circulation and nerve function.
  • Manage blood sugar levels if you have diabetes, as high sugar can worsen nerve damage.
  • Avoid smoking, as it reduces blood flow to nerves and may hinder recovery.
  • Take Cobafast 2500 Injection 1 ml exactly as prescribed and do not skip doses.
  • Attend regular follow-ups to monitor B12 levels and adjust treatment if needed.

Habit Forming

No

Therapeutic Class

VITAMINS

Cobafast 2500 Injection 1 ml Substitute

Substitutes safety advice

Product Substitutes

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Alcohol

Caution

It is advisable to avoid or limit alcohol while on methylcobalamin injections. Always discuss your alcohol use with your doctor, especially if you are being treated for a deficiency related to poor nutrition or liver function.

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Pregnancy

Caution

Inform your doctor if you are pregnant or planning to become pregnant. Your doctor will carefully weigh the benefits against the potential risks before prescribing Cobafast 2500 Injection 1 ml.

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Breast Feeding

Caution

Inform your doctor if you are breastfeeding. Your doctor will determine whether it is safe for you to use Cobafast 2500 Injection 1 ml while nursing.

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Driving

Caution

Cobafast 2500 Injection 1 ml may cause dizziness. Do not drive or operate machinery if you experience dizziness.

bannner image

Liver

Caution

Inform your doctor if you have liver impairment. Your doctor will assess the potential benefits and risks before prescribing Cobafast 2500 Injection 1 ml.

bannner image

Kidney

Caution

Inform your doctor if you have kidney impairment. Your doctor will assess the potential benefits and risks before prescribing Cobafast 2500 Injection 1 ml.

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Children

Safe if prescribed

Cobafast 2500 Injection 1 ml should be used in children only if prescribed by a doctor. The doctor will carefully evaluate the benefits and potential risks before recommending its use.

Have a query?

FAQs

Cobafast 2500 Injection 1 ml belongs to the class of vitamins primarily used to treat peripheral neuropathies and megaloblastic anaemia caused by vitamin B12 deficiency.

Cobafast 2500 Injection 1 ml belongs to the class of vitamins primarily used to treat peripheral neuropathies and megaloblastic anaemia caused by vitamin B12 deficiency. Megaloblastic anaemia is a condition in which the red blood cells are abnormally large.

Cobafast 2500 Injection 1 ml helps protect the nerves from damage and promotes blood cell production. It regulates body functions, such as cell multiplication, blood formation, and protein synthesis.

Inform your doctor about all your medications, especially if you are taking chloramphenicol, colchicine, oral diabetes medicine (metformin), and drugs that reduce stomach acid such as cimetidine lansoprazole, omeprazole and antibiotic medications. These medications may interfere with Cobafast 2500 Injection 1 ml and cause unpleasant side effects or might make Cobafast 2500 Injection 1 ml less effective.

Vitamin B12 sources include eggs, beef, liver, chicken, trout, salmon, tuna, clams, fortified breakfast cereal, low-fat milk, yoghurt, and cheese.

Diarrhoea might be a side-effect of Cobafast 2500 Injection 1 ml. Drink lots of fluids and eat non-spicy food. If you find blood in stools (tarry stools) or if you experience severe diarrhoea, consult your doctor.

Cobafast 2500 Injection 1 ml contains methylcobalamin, a man-made vitamin which is used to treat vitamin B12 deficiency.

Having digestive disorders like Chron’s disease and celiac disease and drinking too much alcohol might impair vitamin B12 absorption leading to its deficiency.

Vitamin B12 deficiency may cause tiredness, loss of appetite, constipation, weakness, weight loss, neuropathic problems and megaloblastic anaemia.

Cobafast 2500 Injection 1 ml is safe and well-tolerated.

Cobafast 2500 Injection 1 ml will be administered by a healthcare professional. Do not self-administer.

Let the doctor know if you have any allergies or if you are taking any other medicines. Cobafast 2500 Injection 1 ml may cause dizziness; do not drive or operate machinery until you know how this medicine affects you.

Cobafast 2500 Injection 1 ml may cause side effects such as pain, itching, swelling or redness at the injection site, nausea, vomiting, diarrhoea, and headache. Talk to your doctor if the side effects persist or worsen.

Country of origin

India

Manufacturer/Marketer address

Sarkhej-Dholka Road, Bhat, Ahmedabad-382 210, India.
Other Info - COB0264

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Author Details

Bayyarapu Mahesh KumarDoctor badge

Written By

Bayyarapu Mahesh Kumar

M Pharmacy

Santoshini Reddy GDoctor badge

Reviewed By

Santoshini Reddy G

M Pharmacy

Last Updated

Jul 26, 2025 | 6:49 PM IST

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Reference

  1. https://pdf4pro.com/cdn/methycobal-e-search-ne-jp-fb32d.pdf
  2. https://www.mims.com/india/drug/info/mecobalamin?type=full&mtype=generic
  3. https://www.drugs.com/drug-interactions/methylcobalamin.html
  4. https://tajlifesciences.com/portfolio/methylcobalamin-injection-usp-500mcg-1ml/

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