What should you know about influenza vaccine vaxigrip tetra?

Vaxigrip Tetra is an inactivated vaccine: it uses influenza components that cannot reproduce in the body. The name indicates coverage of four influenza strain types in the seasonal formulation. The vaccine is designed to reduce the chance of influenza illness and may lessen its severity, but it cannot prevent every respiratory infection. Immunity develops after vaccination rather than immediately.

Tell the healthcare professional about allergies, a past serious vaccine reaction, fever or acute illness, pregnancy, immune conditions, and medicines you take. Keep the appointment record and follow the product advice. Arm tenderness or mild tiredness can happen afterward; gentle movement, fluids, and rest may help. For background on another vaccine material, see inactivated vaccine.

Get emergency help for difficulty breathing, throat or facial swelling, collapse, or a rapidly spreading itchy rash. Arrange medical advice if fever is persistent, symptoms are severe, or the injection site becomes increasingly painful, hot, or swollen. A short-lived sore arm is usually observed rather than treated as an emergency.

Ask which seasonal formulation is appropriate, when protection is expected to build, and whether your current illness or treatment changes the timing. Ask what to do if you have had a reaction to a vaccine before and how the vaccination should be documented.