Influvac Tetra (Influvac Tetra)
Complete patient guide for uses, dosage, side effects, and safety information
Quick Facts
What Is Influvac Tetra Used For?
Influvac Tetra is a quadrivalent influenza vaccine designed to protect against four different strains of the influenza virus.
Primary Uses
Used to prevent influenza (the flu) in adults and children aged 6 months and older.
How It Works
The vaccine stimulates the body to produce antibodies against the four types of influenza virus included in the vaccine.
Good to know: Influvac Tetra is not addictive.
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How to Take Influvac Tetra
Influvac Tetra is given as an injection by a healthcare professional.
Dosage Instructions
A single dose of 0.5 mL is administered each year. For children under 9 years who have not been vaccinated before, a second dose of 0.5 mL is given after at least 4 weeks.
What If You Miss a Dose?
If you miss a dose, consult your doctor, nurse, or pharmacist to schedule another appointment as soon as possible.
Important: Do not double dose if you miss an appointment.
Side Effects
Like all medications, this medicine can cause side effects. Most are mild and temporary, but some require medical attention.
Common Side Effects
These side effects occur relatively frequently and usually don’t require emergency care:
- Pain at the injection site
- Headache
- Tiredness
- Muscle and joint aches
- Feeling unwell
- Shivering
- Sweating
- In children: stomach upset, diarrhea, vomiting, loss of appetite, irritability, drowsiness, fever
Seek immediate medical attention if you experience:
- Severe allergic reactions including swelling of limbs, face, or throat
- Shortness of breath
- Hives or severe skin reactions
- Unusual tiredness or weakness
Important Warnings
There are specific warnings regarding who should not receive Influvac Tetra.
Who Should Not Take Influvac Tetra
Do not receive this vaccine if you have had an allergic reaction to Influvac Tetra, any other influenza vaccine, or any of its ingredients (except egg proteins).
Medical Conditions to Discuss
Discuss with your healthcare provider if you have a history of Guillain-Barre Syndrome, immune deficiencies, bleeding disorders, or if you have fainted during injections.
Pregnancy and Breastfeeding
Consult your healthcare provider if you are pregnant or breastfeeding to discuss the benefits and risks of vaccination.
Elderly Patients With Dementia: Special caution is advised for elderly patients, particularly those with dementia.
Drug Interactions
Certain medications may affect how Influvac Tetra works.
- Other vaccines received this year
- Over-the-counter medications
Alcohol & Driving
Influvac Tetra typically does not impair your ability to drive or operate machinery, but some individuals may experience dizziness.
Alcohol
No specific alcohol warnings are mentioned.
Driving and Operating Machinery
Be cautious when driving or using machinery until you know how Influvac Tetra affects you.
Storage
Store Influvac Tetra in the refrigerator between 2°C to 8°C. Do not freeze. Keep out of reach of children and in the original packaging until use.
Overdose Information
If an overdose occurs, contact your healthcare provider or seek medical attention immediately.
Frequently Asked Questions
Influvac Tetra typically takes a few weeks to provide protection against influenza.
There are no specific dietary restrictions mentioned for Influvac Tetra.
No, Influvac Tetra is not addictive.
Stopping Influvac Tetra is not applicable as it is a vaccine administered annually.
There are no specific warnings regarding alcohol consumption with Influvac Tetra.
Weight gain is not a known side effect of Influvac Tetra.
Elderly patients should consult their healthcare provider, especially if they have dementia.
Consult your healthcare provider to schedule another appointment as soon as possible.
Important Disclaimer
This information is intended for general educational purposes only and should not be considered medical advice. Always consult your healthcare provider or pharmacist before starting, stopping, or changing any medication.
If you think you may have a medical emergency, call your doctor or emergency services immediately.