Medication information

Engerix B 20mcg/mL vaccine

This product is a vaccine that will help you develop an immunity to hepatitis B. Even though you may not feel its effects, this medication takes effect after a few weeks.

Instructions

This medication must be administered by a health professional. Because complete vaccination requires several doses of this product to be given at specific times, it is important to keep your scheduled doctor's appointments.

Side effects

In addition to its desired action, this medication may cause some side effects, notably:

  • it may cause headaches;
  • it may cause indigestion;
  • it may cause dizziness -- use caution when getting up from a lying or sitting position;
  • it may cause unusual tiredness;
  • it could make you more prone to respiratory infections;
  • it may cause redness and swelling at the injection site.

Each person may react differently to a treatment. If you think this medication may be causing side effects (including those described here, or others), talk to your doctor or pharmacist. He or she can help you to determine whether or not the medication is the source of the problem.

Storage

Keep this product in the refrigerator and do not allow it to freeze. Keep it out of reach of young children. Make sure that any leftover portion is disposed of safely.

General notes

It is important to tell the health professionals you consult:

  • if you have a history of any other medical condition, whether you smoke and for women, if you are or want to become pregnant or breastfeeding;
  • if you have allergies to any medications or any other allergies (e.g. to food, latex, etc.);
  • all medications you are taking, prescription and non-prescription, including vitamins and natural products and supplements.