Rejunex Ampoule Of 1ml Injection
By INTAS PHARMACEUTICALS LTD
1ml Injection in Ampoule
₹59.20
✱
₹74.00
20% OFF
₹59.2/ml
(Inclusive of all taxes)
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Description
Rejunex Injection is used to treat vitamin B12 deficiency, anaemia and a painful nerve disease called peripheral neuropathy. It contains mecobalamin or methylcobalamin also known as vitamin B12. It h
elps in red blood cell formation, cell metabolism, nerve function and the production of DNA. This medicine will be given in the hospital by your doctor or nurse as an Injection. Do not self-inject it. Inform your doctor if you are pregnant, planning a pregnancy or breastfeeding and about all the medicines and supplements you take and all the conditions or diseases you suffer from, before starting Rejunex Injection.
Product Summary
| Offer Price | ₹59.20 |
| You Save | ₹14.80 (20% on MRP) |
| Contains | Vitamin B12 / Mecobalamin / Cynocobalamin / Methylcobalamin(500.0 Mcg) |
| Uses | Vitamin B12 deficiency |
| Side effects | Pain and swelling at Injection site, skin rash, itching |
| Therapy | VITAMIN |
Uses
Rejunex Injection is used to treat vitamin B12 deficiency and megaloblastic anaemia (a blood disorder caused due to deficiency of vitamin B12). It is used in the treatment of painful nerve disease called peripheral neuropathy....
Contraindications
- If you are allergic to Mecobalamin or any other ingredients of Rejunex Injection.
- If you are suffering from any type of kidney disease.
- If you have or have ever had Leber's hereditary optic neuropathy (slow, painless loss of vision, first in one eye and then in the other eye).
Side effects
- Pain and swelling at Injection site
- Skin rash
- Itching
- Swelling
- Muscle cramps
- Weakness
- Dizziness
- Difficulty in breathing
- Diarrhoea
- Headache
Precautions and Warnings
Pregnancy
Q:
Can I take Rejunex Injection during pregnancy?
A:
Your doctor may advise you oral supplements containing vitamin B12 and folic acid during pregnancy. Rejunex Injection shall be given by your doctor in pregnancy only if essential. Safety in pregnancy is not known.
Breast Feeding
Q:
Can I take Rejunex Injection while breastfeeding?
A:
Components of the Rejunex Injection pass into the breastmilk and is unlikely to harm a nursing infant when used in recommended doses. However, consult a doctor before using this Injection while breastfeeding.
Driving
Q:
Can I drive if I have taken Rejunex Injection?
A:
Yes, you can drive if you don’t experience any side effects with Rejunex Injection.
Alcohol
Q:
Can I consume alcohol with Rejunex Injection?
A:
Regular consumption of alcohol decreases vitamin B12 absorption from the gastrointestinal tract. Decreased vitamin B12 levels lead to Hence, it is better to avoid.
Other General Warnings
Talk to your doctor if
- You have any existing medical condition like diabetes, hypertension, kidney or liver problem.
- You are on other medications, supplements or following any complementary or integrative health approaches.
- You have an eye disorder called Leber's hereditary optic neuropathy (slow and painless loss of vision).
- You consume alcohol in excess regularly, your doctor may monitor your vitamin B12 levels to check the progress of treatment.
- You develop an allergic reaction after taking the Rejunex Injection.
Mode of Action
How Does It Work?
Vitamin B12 is needed for the formation of red blood cells in the body and their growth. It helps in the absorption of folic acid and carbohydrates from food. It is essential for keeping our nerves healthy. Due to deficiency of vitamin B12, anaemia occurs. It can damage nerves leading to peripheral neuropathy. Rejunex Injection helps replenish this deficiency....
Directions for Use
- Rejunex Injection will be given to you as an Injection by a doctor or nurse in a hospital or clinic.
- Be careful of any instruction given during the administration and aftercare. Do not self inject.
Interactions
Interactions with other medicines
- Medicines like Aminosalicylic acid, Chloramphenicol, Colchicine, histamine-2 antagonists, Neomycin and proton pump inhibitors (e.g. Pantoprazole) can decrease the absorption of Mecobalamin.
- Oral contraceptives can decrease the action of Mecobalamin by reducing its concentration in the body.
- Folic acid when taken in a larger dose for a prolonged duration can impair the therapeutic response of Mecobalamin.
- You should always tell the doctor if you are taking any other medicines, herbal preparation and supplements to avoid any interaction.
Storage and disposal
- Store Rejunex Injection under the conditions mentioned on the pack.
- Keep out of the reach of children and pets.
- Do not keep the medicine when it is no longer needed or expired.
Dosage
Overdose
You are less likely to get an overdose of Rejunex Injection as it is given to you by a doctor or nurse in a clinic or hospital. Please inform the doctor if you feel any discomfort immediately after the administration of this Injection....
Missed a Dose
The chances of missing a dose of Rejunex Injection are rare as you will be monitored closely by a healthcare professional. In case they happen to miss a dose, please inform them.
Content Details
WRITTEN BY
Dr. Alok Nachane
MBBS, MD (Pharmacology)
REVIEWED BY
Dr. Ritu Budania
MBBS, MD (Pharmacology)
Frequently Asked Questions (FAQs)
Q: What are the natural sources of vitamin B12?
- Animal products such as fish, meat, poultry, eggs, milk and milk products contain vitamin B12 naturally
- Plant foods do not contain vitamin B12 but fortified breakfast cereals are a source of vitamin B12 with high bioavailability for vegetarians
- Some nutritional yeast products also contain vitamin B12
Q: What are the causes of vitamin B12 deficiency?
A: Vitamin B12 deficiency can be due to various reasons such as improper diet or diet deficient in vitamin B12, poor absorption from the intestine, certain disorders of intestine and surgeries which can impact absorption of this vitamin.
Q: Is there any side effect of the Rejunex Injection?
A: Nausea, vomiting, diarrhoea, loss of appetite, headache, etc are a few common side effects of this Injection. But these symptoms usually go away with time.
Q: How does the Rejunex Injection be administered, iv or im?
A: Rejunex Injection will be administered by a doctor or nurse in a healthcare setup. The doctor will decide the route of administration. Do not self-inject.
References
View All
- Mecobalamin: Indication, Dosage, Side Effect, Precaution | MIMS Malaysia [Internet]. Mims.com. 2025 [cited 3rd June 2025]
- Topics H. Cyanocobalamin: MedlinePlus [Internet]. Medlineplus.gov. 2025 [cited 3rd June 2025]
- Cyanocobalamin (Intramuscular Route) Description and Brand Names - Mayo Clinic [Internet]. Mayoclinic.org. 2025 [cited 3rd June 2025]
- CDSCO - Methylcobalamine [Internet]. Cdscoonline.gov.in. 2025 [cited 3rd June 2025]
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Product Details
Brand
REJUNEX
Country of Origin
India
Expires on or After
29/09/2025
Manufacturer Details
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Disclaimer
The information provided herein is supplied to the best of our abilities to make it accurate and reliable as it is published after a review by a team of professionals. This information is solely intended to provide a general overview on the product and must be used for informational purposes only. You should not use the information provided herein to diagnose, prevent, or cure a health problem. Nothing contained on this page is intended to create a doctor-patient relationship, replace or be a substitute for a registered medical practitioner's medical treatment/advice or consultation. The absence of any information or warning to any medicine shall not be considered and assumed as an implied assurance. We highly recommend that you consult your registered medical practitioner for all queries or doubts related to your medical condition. You hereby agree that you shall not make any health or medical-related decision based in whole or in part on anything contained in the Site. Please click here for detailed T&C.
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