Flu shot and breastfeeding: what to know

Breastfeeding does not usually prevent the parent from being vaccinated. Preventing influenza can help protect the parent’s health while they are caring for a baby. The vaccine is intended to train the vaccinated person’s immune system; it does not give the parent influenza.

A vaccinated parent may have a sore arm, tiredness, or a mild fever for a short time. These effects do not normally require stopping breastfeeding, but feeling unwell can make feeding and rest harder. Ask for help with feeds and household tasks if needed, and drink enough fluids for your own comfort.

Tell the provider that you are breastfeeding, whether you are pregnant or recently gave birth, and which medicines or vaccines you have received. Ask what product is being offered and what to expect afterward. You can read about the [Inactivated Vaccine](/materials/inactivated-vaccine/) before the discussion.

Plan a comfortable feeding position and keep usual feeding routines unless a clinician advises otherwise. If you develop a fever or feel too unwell to care for yourself or your baby, arrange practical support and seek advice about symptom relief that fits breastfeeding.

Seek emergency care for breathing difficulty, swelling of the face or throat, widespread hives with dizziness, or collapse after vaccination. Contact a clinician if fever is persistent, symptoms are severe, you cannot keep fluids down, or breast redness and pain suggest a separate breast problem. Get medical advice for a baby who is unusually sleepy, feeding poorly, or having breathing difficulty.

Ask whether the planned vaccine fits your health history, whether you should continue breastfeeding as usual, which medicines can ease side effects, and which symptoms in you or your baby need prompt review.