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Rejoice 1000Mcg Injection

Manufacturer: Solvate Laboratries Pvt Ltd
Medicine composition: Methylcobalamin
Prescription vs.OTC: Prescription by Doctor required
Last Updated: May 14, 2019

Methylcobalamin or in general term Vitamin B-12. It is one of the most important nutrients required in the human body. A lack of this vitamin can cause severe and permanent neurological damage. This medication is used by people of all ages suffering from gut disease where they are unable to completely absorb and use the vitamin or Methylcobalamin and may be at risk of vitamin B-12 deficiency. It is water soluble. It plays a key role in the functioning of the brain and nervous system and in the formation of the red blood cells, other than this, it is responsible for the protection and regeneration of neurons. Lack of this vitamin causes depression (the reasons not clear why). The drug comes into use when you have low levels of vitamin b12 in your body, which causes you to feel weak, fatigued and experience slow thinking. This condition is called pernicious anaemia. Low level of folic acid and vitamin B12 go hand in hand. Methylcobalamin is an active form of vitamin B12 which is easier for the body to absorb. Though found naturally in meat, fish, eggs and dairy products. The supplement is given to people suffering from low levels of this Vitamin.

Information given here is based on the salt and content of the medicine. Effect and uses of medicine may vary from person to person. It is advicable to consult a Dietitian/Nutritionist before using this medicine.

Vitamin B12 deficiency

Neurological disorder

Decreased potassium level in blood

In addition to its intended effect, Rejoice 1000Mcg Injection may cause some unwanted effects too. In such cases, you must seek medical attention immediately. This is not an exhaustive list of side effects. Please inform your doctor if you experience any adverse reaction to the medication.

Abdominal pain

Moderate Less Common

Nausea and vomiting

Moderate Less Common

Skin rash

Moderate Common

How long is the duration of effect?

The peak of the effect can be observed within 3 hours after consumption. The effects can be felt within half an hour after intake.

What is the onset of action?

The onset of action is seen or felt within half and hour of consumption.

Are there any pregnancy warnings?

Yes, It is safe to consume this drug when pregnant.

Is it habit forming?

No, it is not habit forming but it should not be consumed in excess.

Are there any breast-feeding warnings?

It is shown that the supplement is passed on through milk while breast-feeding. Hence it is not recommenced while breast feeding.

Is It safe with alcohol?

Alcohol decreases the level of vitamin b in the body, hence the consumption of alcohol is not recommend while taking this supplement.

Is it safe to drive while on this medicine?

Yes, it is safe to drive after consumption of the medicine.

Does this affect kidney function?

Excess consumption is know to damage the kidneys.

Does this affect liver function?

Excess consumption is not recommended if the person suffer from liver diseases.

Below is the list of medicines, which have the same composition, strength and form as Rejoice 1000Mcg Injection , and hence can be used as its substitute.
Mint Life Sciences Pvt Ltd
MMC Healthcare Ltd
Bharti Life Sciences

Are there any missed dose instructions?

Try not to miss the dose, you need not take a double dose incase you have missed the previous one.

Are there any overdose instructions?

In case of overdose consult a doctor. The symptoms include nausea and uneasy stomach.


United States


Rejoice 1000Mcg Injection acts as a cofactor for enzyme methionine synthase, which transfers methyl groups for the regeneration of methionine from homocysteine. In anemia, it increases blood cell production by promoting nucleic acid synthesis in the bone marrow and by promoting maturation and division of erythrocytes.
Whenever you take more than one medicine, or mix it with certain foods or beverages, you"re at risk of a drug interaction.

Interaction with Disease



Vitamin B12 does not interact with diseases.

Interaction with Alcohol


It decreases the effectiveness of medication.

Interaction with Food



Since it’s derived from food sources there is no severe reaction with food.

Interaction with Medicine



Some medication that have a serious interaction with Methylcobalamin are Leukeran ( chlorambucil ), Prilosec( omeprazole), colcrys and Mitigare and the herbal supplement goldenseal.

Disclaimer: The information produced here is best of our knowledge and experience and we have tried our best to make it as accurate and up-to-date as possible, but we would like to request that it should not be treated as a substitute for professional advice, diagnosis or treatment.

Lybrate is a medium to provide our audience with the common information on medicines and does not guarantee its accuracy or exhaustiveness. Even if there is no mention of a warning for any drug or combination, it never means that we are claiming that the drug or combination is safe for consumption without any proper consultation with an expert.

Lybrate does not take responsibility for any aspect of medicines or treatments. If you have any doubts about your medication, we strongly recommend you to see a doctor immediately.

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Table of Content
About Rejoice 1000Mcg Injection
What are the uses of Rejoice 1000Mcg Injection
What are the contraindications of Rejoice 1000Mcg Injection ?
What are the side effects of Rejoice 1000Mcg Injection ?
Key highlights of Rejoice 1000Mcg Injection
What are the substitutes for Rejoice 1000Mcg Injection ?
What are the dosage instructions?
Where is the Rejoice 1000Mcg Injection approved?
How does medicine works?
What are the interactions of Rejoice 1000Mcg Injection ?