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Methylcobalamin belongs to the class of vitamins used in the treatment of peripheral neuropathies and megaloblastic anemia caused by vitamin B12 deficiency. Megaloblastic anemia 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. Methylcobalamin is a form of Vitamin B12 that protects the nerves from damage and promotes red blood cell production. It regulates bodily functions, such as cell multiplication, blood formation, and protein synthesis. It is also used in the treatment of anemia, fatigue, and numbness or tingling in the hands and feet.

Do not self-medicate the medicine. Take the medicine as per the prescribed dosage and duration. Do not self-inject the Methylcobalamin injection. Take the injection under the supervision of a medical professional. Take the medicine at the same time each day to maintain an optimum level of medications in the body and to see the maximum results. Some people may observe side effects such as pain, itching, swelling, or redness at the injection site, nausea, vomiting, diarrhea, and headache. Mostly the side effects get resolved with time and do not require medical attention. If the side effects worsen or persist, immediately consult your doctor. Inform your doctor if you are allergic to the active ingredient used in the medicine.

Uses of Methylcobalamin Injection 

Methylcobalamin is a form of Vitamin B12 used in the treatment of low levels of vitamin B12 in your body. The vitamin is essential in the formation of red blood cells and helps in the absorption of iron in the body. It also helps the body to absorb fat and carbohydrates for energy and synthesizes protein. When combined with other vitamins, it strengthens the immune system, improves the metabolism of the body, and is vital for the nervous system. The conditions where Methylcobalamin injection is used are given below:

  • Peripheral neuropathy
  • Megaloblastic anemia
  • Vitamin B12 deficiency

Side Effects of Methylcobalamin Injection 

There are mild to moderate side effects of Methylcobalamin that do not last for a long time. If the side effects persist or get severe, immediately consult your doctor. The side effects may vary in all the users and depend on the health condition and response to the therapy. The commonly noticed side effects of taking Methylcobalamin injection are given following:

  • Painfulness or tenderness at the injection site
  • Nausea
  • Vomiting
  • Diarrhoea
  • Loss of appetite
  • Headache

Drug Interaction 

Some drugs may interact with each other and cause negative health effects. The drugs may interact with certain food items or with health conditions.

Interaction with medicine: 

  • anticancer medications (arsenic trioxide)
  • antimetabolites (mercaptopurine)RE
  • antibiotics (chloramphenicol)
  • oral contraceptives

Interaction with Disease: 

  • hypokalaemia
  • optic nerve damage
  • malabsorption
  • renal impairment

Precautions and Warnings 

1. Pregnant women should consult their doctor before taking Methylcobalamin injection as it may affect the fetus.

2. Do not self-medicate the medicine, take it only when prescribed by the doctor.

3. Breastfeeding mothers should also consult before taking the medicine as it may pass into the breast milk and affect the newborn.

4. Store the injection in a cool and dry place away from sunlight.

5. Keep it out of reach of children and pets.