On June 1, 2019, the Ministère de la Santé et des Services sociaux will be making changes to the Québec Immunization Program. These changes are based on recommendations made by the Comité sur l’immunisation du Québec and concern the immunization schedules for children age 6 and under and the immunization schedule for adults. To find out more, go to the Changes to the immunization schedule section.
Additional information will be published on this page soon.
Some symptoms may be caused by the vaccine, e.g. redness at the injection site. Other problems may occur by chance and are not related to the vaccine, e.g. cold, gastro, headache.
MMR vaccine is safe. In most cases, it does not cause any reaction.
|Frequency||Known reactions to this vaccine|
Less than 1 person in 1 million
What to Do after Vaccination
Tips to follow immediately following vaccination
Wait 15 minutes before leaving premises where vaccine is received. If an allergic reaction occurs, the symptoms will appear a few minutes after the vaccination.
If you feel side effects, immediately inform the person giving the vaccine. That person will be able to treat you immediately.
Tips to follow at home
If you experience redness, pain or swelling at the injection site, apply a cold, damp compress on it.
Use medication for fever or discomfort if needed.
When to Seek Medical Help
See a doctor if one of the following applies to you:
- You experience serious and unusual symptoms
- Your symptoms get worse instead of improving
- Your symptoms last over 48 hours
Last update: June 25, 2015