Vaxigrip Tetra Special Precautions

Talk to the doctor, the pharmacist or the nurse before using Vaxigrip Tetra. The patient should tell their doctor before vaccination if the adult or child has: A poor immune response (immunodeficiency or taking medicines affecting the immune system); Bleeding problem or bruising easily.
The doctor will decide if the adult or child should receive the vaccine.
Fainting can occur (mostly in adolescents) following, or even before, any needle injection. Therefore, tell the doctor or nurse if the adult or child fainted with a previous injection.
As with all vaccines, Vaxigrip Tetra may not fully protect all persons who are vaccinated.
Not all babies less than 6 months of age born to pregnant women vaccinated during pregnancy may be protected.
If, for any reason, the adult or child has a blood test within a few days following a flu vaccination, tell the doctor. This is because false positive blood test results have been observed in a few patients who had recently been vaccinated.
Vaxigrip Tetra contains potassium and sodium: This medicine contains less than 1 mmol potassium (39 mg) and less than 1 mmol sodium (23 mg) per dose, that is to say it is essentially "potassium-free" and "sodium-free".
Driving and using machines: Vaxigrip Tetra has no or negligible influence on the ability to drive and use machines.
Use in Children: Vaxigrip Tetra is not recommended for use in children below 6 months of age.