Hepatitis a vaccine - intramuscular

Patient Medicine Information
Why do I need this medicine?
Hepatitis A vaccine is used to prevent infections caused by hepatitis A virus.

Hepatitis A is a liver infection caused by a virus that spreads through contact with the stool (poop) of an infected person.
How do I use this medicine?
Hepatitis A vaccine is given by intramuscular (into the muscle) injection.

A doctor or nurse will administer the injection for you.
What should I do if I have forgotten to use this medicine?
Ensure that you keep all appointments with your doctor so that you do not miss any doses. Your doctor also needs to regularly monitor your response to Hepatitis A vaccine.

If you miss an appointment or miss an injection, alert your doctor or nurse. A replacement appointment or injection should be given as soon as possible.
When should I not use this medicine?
Do not use this vaccine if you ever had an allergic reaction (rashes, breathlessness, swollen eyes) to Hepatitis A vaccine.
What should I take note of while using this medicine?
Inform your doctor if you have the following conditions:
  • a very weak immune system
  • moderate or severe illness with or without fever
  • bleeding disorders
  • liver disease
Let your doctor know if you are pregnant or breastfeeding.

Keep your appointments with your doctor. Your doctor may need to monitor your liver function.
What side effects could I experience?
Hepatitis A vaccine may cause any of the following side effects: tiredness, weakness, irritability, difficulty sleeping, headache, conjunctivitis, nausea, vomiting, diarrhoea, constipation, stomach discomfort or pain, loss of appetite, muscle or joint stiffness or pain, fever, runny nose, sore throat, cough and injection site reactions including redness, pain or swelling.

Some side effects may need immediate medical help. Alert your doctor quickly if you experience signs and symptoms of allergic reaction e.g. rashes, difficulty breathing, swelling of the face, mouth, lips, tongue, or throat.

Inform the doctor if any of these side effects do not go away or are severe, or if you experience other side effects.
Can I use this with other medicines?
Inform your doctor and pharmacist if you are taking any of these medicines:
  • medicines used in organ transplant or certain immune disorders e.g. ciclosporin, tacrolimus, methotrexate, azathioprine
  • high-dose anti-inflammatory medicines e.g. prednisone
This list does not include all medicines that may interact with Hepatitis A vaccine.

Always notify the doctor and pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicines, supplements and medicines that you buy without a prescription.
What special dietary instructions should I follow?
Avoid alcohol.
How should I store this medicine?
Store in the refrigerator. Do not allow to freeze. If frozen, this medicine will become ineffective and should not be used.

Protect from light. Light may cause the medication to lose some of its effectiveness.

Medicines must not be used past the expiry date.
This information is independently developed by MIMS based on hepatitis a vaccine - intramuscular and is provided for your reference only. It is not a replacement for and should only be used in conjunction with full consultation with a licensed healthcare professional, the information provided by your pharmacist and/or the manufacturer of the medication. It may not contain all the available information you require and cannot substitute professional medical care, nor does it take into account all individual circumstances. Although great effort has been made to ensure content accuracy, we shall not be held responsible or liable for any claims or damages arising from the use or misuse of the information contained herein, its contents or omissions, or otherwise. Copyright © 2021 MIMS. All rights reserved. Powered by MIMS.com
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