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HepaRel 100IU Injection

Hepatitis B Vaccine (rDNA) (100IU)

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Stored between 2-8°C

HepaRel 100IU Injection is an active immunizing agent. It is used for the prevention of hepatitis B infection in individuals considered at risk of exposure to hepatitis B virus.

Written By Dr. Anuj Saini, MMST, MBBS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 26 Aug 2026 | 01:03 AM (IST)

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1 ml Injection

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General Information

Contains

Hepatitis B Vaccine (rDNA) (100IU)

Marketer

Reliance Life Sciences

Storage

Store in a refrigerator (2 - 8°C). Do not freeze.

The content is shown in English

Product introduction

HepaRel 100IU Injection is administered by a healthcare professional and should not be self-administered. For the vaccine to be effective, you have to receive all the doses.

It is generally safe and well-tolerated. However, it may cause injection site reactions such as redness, swelling, or pain and fever in some people. If you are bothered by such reactions, let the doctor know. The doctor may help with ways to reduce or prevent these symptoms.

To make sure the vaccine is safe, before receiving the vaccine, it is important to let the doctor know if you have any other illnesses. You should also tell the doctor about all the medicines you are taking. Pregnant and breastfeeding mothers should consult and seek advice from their doctor before receiving the vaccine.

Uses of HepaRel Injection

Prevention of Hepatitis B infection

Benefits of HepaRel Injection

Prevention of Hepatitis B infection
HepaRel 100IU Injection is used to protect against infection by the hepatitis B virus. Hepatitis B is an infection of the liver caused by a virus. It can be spread from a mother to her newborn baby, by sharing needles and other equipment during drug use, by having sex with an infected person, by having a tattoo or body piercing, and by sharing contaminated toothbrushes or razors. Hepatitis B can be serious, but it does not always cause obvious symptoms. HepaRel 100IU Injection is given by an injection into a muscle as soon as possible after exposure to a risk and will help prevent infection. It is recommended for all infants and children up to age 18 years and adults in high-risk groups. This medicine does not work if you already have hepatitis B.

Side effects of HepaRel 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 HepaRel

Fatigue
Headache
Injection site reactions (pain, swelling, redness)

How to use HepaRel Injection

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

How HepaRel Injection works

HepaRel 100IU Injection is a vaccine which helps develop immunity by initiating a mild infection. This type of infection does not cause illness but stimulates the body's immune system to produce antibodies (proteins) to protect against any future infections.

Quick tips

HepaRel 100IU Injection is used for the prevention of hepatitis B infection.
Inform your doctor if you are taking medications for cancer or HIV.
Inform your doctor before taking the vaccine if you are old, obese or if you smoke.
If you have an illness causing a high temperature, it is best to postpone vaccination until after the illness.

Safety advice

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with HepaRel 100IU Injection. Please consult your doctor.

Pregnancy

SAFE IF PRESCRIBED

HepaRel 100IU Injection is generally considered safe to use during pregnancy. Animal studies do not indicate harmful effects. However, there are limited human studies.

Breast feeding

SAFE IF PRESCRIBED

HepaRel 100IU Injection may be safe to use during breastfeeding. Animal studies have shown low or no adverse effects to the developing baby; however, there are limited human studies.

Driving

SAFE

HepaRel 100IU Injection does not usually affect your ability to drive.

Kidney

CAUTION

HepaRel 100IU Injection should be used with caution in patients with severe kidney disease. Dose adjustment may be needed.
However, please inform your doctor if you have an underlying kidney disease.

Liver

SAFE IF PRESCRIBED

HepaRel 100IU Injection is safe to use in patients with liver disease. No dose adjustment is recommended.

Frequently asked questions

Who all should get vaccinated with HepaRel 100IU Injection?

Everyone should get vaccinated with HepaRel 100IU Injection. All infants, beginning at birth, all children who have not been vaccinated previously and persons with chronic liver disease, other than hepatitis B (e.g. cirrhosis, fatty liver disease, etc.) or those with HIV infection must also get this vaccination. Additionally, suspected sexual partners of hepatitis B-positive persons or victims of sexual assault (rape) or abuse are also advised to get vaccinated with HepaRel 100IU Injection to be protected against Hepatitis B infection.

Is hepatitis B infection curable?

No. In most cases, the symptoms of hepatitis B infection is resolved within 4-8 weeks but person remain infected for lifetime. In some cases, however, symptoms may persist for a longer time (chronic infection)

Is hepatitis B infection fatal or life-threatening?

Yes. Hepatitis B infection symptoms, if present for a longer time, may cause chronic infection, liver cirrhosis or liver cancer and can also be life threatening.

Is hepatitis B infection contagious?

Yes. Hepatitis B virus infection is contagious.

Does it spread through saliva or sharing of food?

Does hepatitis B vaccine cause fever?

Mild fever may occur after hepatitis B vaccine administration. Contact your doctor if your fever worsens or does not go away.

Who all should get vaccinated with HepaRel 100IU Injection?

Everyone should get vaccinated with HepaRel 100IU Injection. All infants, beginning at birth, all children aged up to 19 years who have not been vaccinated previously and persons with chronic liver disease, other than hepatitis B (e.g. cirrhosis, fatty liver disease, etc.) or those with HIV infection must also get this vaccination. Additionally, suspected sexual partners of hepatitis B-positive persons or victims of sexual assault (rape) or abuse are also advised to get vaccinated with HepaRel 100IU Injection to be protected against Hepatitis B infection.

Is hepatitis B infection curable?

Is hepatitis B infection fatal or life-threatening?

Yes. Hepatitis B infection symptoms, if present for a longer time, may cause chronic infection, liver cirrhosis or liver cancer and can also be life threatening.

Is hepatitis B infection contagious?

Yes. Hepatitis B virus infection is contagious.

Does it spread through saliva or sharing of food?

Does hepatitis B vaccine cause fever?

Mild fever may occur after hepatitis B vaccine administration. Contact your doctor if your fever worsens or does not go away.

Fact Box

Chemical Class

Recombinant protein

Habit Forming

Therapeutic Class

VACCINES

Action Class

Subunit (Purified Antigen) Vaccines

Related lab tests

Hepatitis B (Core) IgM Antibody

Hepatitis B e (Envelop) Antigen

Hepatitis B s (Surface) Antigen

Liver Function Test

References

Sinha A, Singh S. Immunization and Immunodeficiency. In: Paul VK, Bagga A, editors. Ghai Essential Pediatrics. 8th ed. New Delhi: CBS Publisher's & Distributors Pvt Ltd.; 2013. pp. 196-97.
Engerix-B [Hepatitis B Vaccine (rDNA) IP (Genetically Engineered)]. Mumbai, India: GlaxoSmithKline Pharmaceuticals Limited; 1987 [revised 04 Mar. 2015]. [Accessed 15 Jul. 2019] (online) Available from:
Hepatitis B Vaccine (rDNA) I.P. [Package Insert]. Telangana, India: Bharat Biotech International Ltd.; 2018. [Accessed 19 Oct. 2023] (online) Available from:

User feedback

What are you using HepaRel Injection for?

Others

50%

Chronic hepatitis B virus (HBV) infection

50%

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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: Reliance Life Sciences
Address: Dhirubhai Ambani Life Sciences Centre, R-282, TTC Area of MIDC, Thane-Belapur Road, Rabale, Navi Mumbai 400 701

Vendor Details

Country of origin: India
A licensed vendor partner from your nearest location will deliver HepaRel 100IU 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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HepaRel 100IU Injection

HepaRel 100IU Injection

Payment, Returns & Expiry

Payment

Return

Expiry after

Price Info

Save more with additional offers

General Information

Contains

Marketer

Storage

Product introduction

Uses of HepaRel Injection

Benefits of HepaRel Injection

Side effects of HepaRel Injection

How to use HepaRel Injection

How HepaRel Injection works

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Frequently asked questions

Who all should get vaccinated with HepaRel 100IU Injection?

Is hepatitis B infection curable?

Is hepatitis B infection fatal or life-threatening?

Is hepatitis B infection contagious?

Does it spread through saliva or sharing of food?

Does hepatitis B vaccine cause fever?

Who all should get vaccinated with HepaRel 100IU Injection?

Is hepatitis B infection curable?

Is hepatitis B infection fatal or life-threatening?

Is hepatitis B infection contagious?

Does it spread through saliva or sharing of food?

Does hepatitis B vaccine cause fever?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

Related lab tests

Hepatitis B (Core) IgM Antibody

Hepatitis B e (Envelop) Antigen

Hepatitis B s (Surface) Antigen

Liver Function Test

References

User feedback

What are you using HepaRel Injection for?

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

In case of any issues, contact us

Lab tests offered by us

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