The flu vaccine is safe and effective. It helps to protect you from flu.
The best time to get the flu vaccine is before the flu season starts. It's available from October each year.
Where to get the flu vaccine
You can get a flu vaccine from a GP or pharmacy.
You can get the flu vaccine where you live if you:
- live in a nursing home
- are housebound
How you get the vaccine
Adults get the flu vaccine as an injection into the arm.
Children age 2 to 17 get the flu vaccine as a spray into the nose (nasal spray).
Who can get a free flu vaccine
We offer a free flu vaccine to people with a higher risk of serious illness from flu.
You can get a free flu vaccine if you:
- are age 60 and older
- are age 2 to 17
- are a healthcare worker
- are pregnant
- live in a nursing home or other long-term care facility
- have regular contact with pigs, poultry or waterfowl
- have a health condition and are age 6 months or older
- live with someone who has a certain health condition
- are a carer for someone who has a certain health condition
Who is a carer?
A carer is someone who provides an ongoing, significant level of care to someone who needs care in the home due to illness, disability or frailty.
Who should not get the flu vaccine
You should not get the flu vaccine if you:
- had a severe allergic reaction to a previous flu vaccine or any part of the vaccine
- have a temperature of 38 degrees Celsius or higher - wait until you are well before getting the vaccine
There is separate advice for who should not get the children's nasal flu vaccine.
Flu vaccine and egg allergy
If you have an egg allergy, talk to your vaccinator before getting the vaccine. Most people with an egg allergy can get the flu vaccine.
Check with your GP
Talk to your GP or specialist if you:
- have severe neutropoenia (low levels of a type of white blood cell)
- take medicines called combination checkpoint inhibitors - for example, ipilimumab and nivolumab
Your GP or specialist can tell you if you can get the flu vaccine.
How the flu vaccine works
The flu vaccine helps your immune system produce antibodies to fight infection. Having the vaccine can stop you getting sick if you come in contact with the flu virus.
The vaccine starts to work after about 2 weeks.
Side effects
After the vaccine, you may have some mild side effects.
Mild side effects can include:
- soreness, redness or swelling where you got the injection
- fever (high temperature - 38 degrees Celsius or above)
- headache
- aches
- feeling tired
If you have any of these side effects, rest and take paracetamol.
The names of standard flu vaccines are Vaxigrip or Influvac Sub-unit. You can find the patient information leaflets for the vaccines online.
How to find your patient information leaflet online
Serious side effects
Serious side effects such as a severe allergic reaction are rare.
Reporting side effects
If you or your child get side effects from a vaccine, you can report it to the Health Products Regulatory Authority (HPRA).
Your doctor, nurse, pharmacist or a family member can also report the side effect to the HPRA.
Report any harmful effects to the Health Products Regulatory Authority - hpra.ie
Flu vaccine and COVID-19 vaccine
The flu vaccine and the COVID-19 vaccine are 2 separate vaccines.
You can get can both vaccines at the same time if you are recommended a COVID-19 vaccine.
You can get flu and COVID-19 vaccines from a GP or pharmacy.