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Hepatitis A & B Vaccination at DTAP Express

Singapore Department of Vaccination Services

Introduction to Hepatitis A & B

What is Hepatitis A?

Hepatitis A is a viral infection that causes liver inflammation. It is transmitted through the faecal-oral route, such as person-to-person contact, or consumption of food and/or water that is contaminated.

What is Hepatitis B?

Hepatitis B is a virus that can cause a chronic liver infection. If left untreated, it can cause liver failure and other complications such as liver cancer.

Hepatitis B is spread when blood, semen, or other body fluid infected with the hepatitis B virus enters the body of a person who is not infected. People can become infected through:

  • Birth (if a pregnant person has hepatitis B. their baby can become infected)
  • Sharing items such as razors or toothbrushes with an infected person
  • Contact with the blood or open sores of an infected person
  • Sex with an infected partner
  • Sharing needles, syringes, or other drug-injection
  • Exposure to blood from needle sticks or other sharp instruments
 

Types of Hepatitis B

Acute Hepatitis B

Acute hepatitis B infection is a short-term illness that can lead to fever, fatigue, loss of appetite, nausea, vomiting, jaundice (yellow skin or eyes, dark urine, clay-colored bowel movements), and pain in the muscles, joints, and stomach.

Chronic Hepatitis B

Chronic hepatitis B infection is a long-term illness that occurs when the hepatitis B virus remains in a person’s body. Most people who go on to develop chronic hepatitis B do not have symptoms, but it is still very serious and can lead to liver damage (cirrhosis), liver cancer, and death. Chronically infected people can spread hepatitis B virus to others, even if they do not feel or look sick themselves.

How Do I Prevent Viral Hepatitis?

Hepatitis A and B can be prevented through vaccination, typically administered in three doses over a six-month period. The resulting immunity can last for 20 to 50 years. These vaccines can also be administered concurrently with other vaccines.

For individuals who have not previously received the vaccine:

  • Hepatitis B vaccination is safe for individuals of all ages, including infants, pregnant ladies and the elderly
  • The combined Hepatitis A and Hepatitis B vaccine is suitable for patients aged 12 months and older
 

Hepatitis A vaccination is recommended for:

  • International travelers
  • Patients with chronic liver disease
  • Men who have sexual contact with other men
  • Individuals with an occupational risk for infection, among other at-risk groups.

Hepatitis B vaccination is recommended for:

  • International travelers
  • Individuals being evaluated and/or treated for sexually transmitted diseases
  • Persons with more than one sex partner in the previous 6 months
  • Men who have sexual contact with other men
  • Healthcare/public safety workers at risk of exposure to blood or blood-contaminated fluids
  • Patients with diabetes
  • People living with HIV
  • Patients with chronic liver disease among other at-risk groups

Safety and Side Effects:

The most common side effects after vaccination are injection site reactions (e.g. injection site redness and soreness), headache, fatigue, diarrhoea, nausea, vomiting and fever.
 

Should you experience any unexpected side effects after vaccination, please seek prompt medical attention from your healthcare provider. Otherwise, please monitor your symptoms closely for resolution. Should any side effects you experience persist and/or worsen, we recommend contacting your healthcare provider.

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Did You Know?

Hepatitis A & B vaccine may be given at the same time as other vaccines

DTAP Express offers affordable, fast and efficient hepatitis vaccination to protect against both acute and chronic hepatitis B infection.

Hepatitis A & B Vaccine Singapore FAQs

Hepatitis A and Hepatitis B viruses.

The vaccine is approved for use in persons aged 18 years and above.

Pain, redness, swelling at injection site; headache, fever, nausea, muscle or joint pain

Current evidence suggests protection lasting 20-30 years from primary vaccination series; booster doses may be considered in certain populations or dependent on hepatitis A & B antibody titres

The recommended guideline from the Ministry of Health (MOH) for Covid-19 vaccines, as well as other vaccines, advises a spacing of 14 days between administrations.

Yes, this vaccine can be safely administered when you are pregnant

The vaccine will be administered by a trained and certified vaccinator

No as only doctors are allowed to issue MC; However our vaccinator can provide you with a timesheet when you come for the vaccination

There are no restrictions or other limitations to note after this vaccine