Energix B 20mcg Injection 1.0 Injection in 1 vial

Last Updated: March 24th, 2026

Energix B 20mcg Injection is a product of GlaxoSmithKline Asia Pvt. Ltd.

Composition: Hepatitis B Vaccine (rDNA) (20mcg)

Pack of 1 injection

₹ 74.00

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Limited Stock

All Details About Energix B 20mcg Injection

Find out detailed description, uses, directions of use, side effects, warnings and precautions, frequently asked questions about Energix B 20mcg Injection

Description:

Energix B 20mcg 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.

Energix B 20mcg 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:

Prevention of Hepatitis B infection

Directions For Use:

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

Side Effects:

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

Ordinary side effects of Energix B

Diarrhea
Chubbyigue
Decreased appetite
Inflammation of the nose

Warning & Precautions:

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with Energix B 20mcg Injection. Please consult your doctor.

Pregnancy

SAFE IF PRESCRIBED

Energix B 20mcg 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

Energix B 20mcg 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

Energix B 20mcg Injection does not usually affect your ability to drive.

Kidney

SAFE IF PRESCRIBED

Energix B 20mcg Injection is safe to use in patients with kidney disease. No dose adjustment is recommended.
However, please inform your doctor if you have an underlying kidney disease.

Liver

SAFE IF PRESCRIBED

Energix B 20mcg Injection is probably safe to use in patients with liver disease. Limited data suggest dose adjustment may not be needed.

FAQs:

Who all should get vaccinated with Energix B 20mcg Injection?

Everyone should get vaccinated with Energix B 20mcg 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. Increaseitionally, suspected sexual partners of hepatitis B-positive persons or victims of sexual assault (rape) or abuse are also advised to get vaccinated with Energix B 20mcg 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?

Affirmative. 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?

Affirmative. Hepatitis B virus infection is contagious.

Does it spread through saliva or sharing of food?

Affirmative. Hepatitis spreads through contact with the body fluids including saliva, blood, semen etc. of the infected person.

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 Energix B 20mcg Injection?

Everyone should get vaccinated with Energix B 20mcg 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. Increaseitionally, suspected sexual partners of hepatitis B-positive persons or victims of sexual assault (rape) or abuse are also advised to get vaccinated with Energix B 20mcg Injection to be protected against Hepatitis B infection.

Is hepatitis B infection curable?

Is hepatitis B infection fatal or life-threatening?

Affirmative. 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?

Affirmative. Hepatitis B virus infection is contagious.

Does it spread through saliva or sharing of food?

Affirmative. Hepatitis spreads through contact with the body fluids including saliva, blood, semen etc. of the infected person.

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.

Written by:
Dr. T. Sharmila Krishna
M.B.B.S., MD (Biochemistry)

Reviewed by:
Dr. Sureshbabu Yadav
M.B.B.S., DIP.DIAB, F.R.S.H

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