General information, not an individual diagnosis. Ask a healthcare professional if you are unsure about your situation.
Do you think a step in your vaccination differed from what was planned? Promptly contact the professional who performed or prepared it. Explain your concern precisely so the facts can be checked and you can obtain advice for your situation.
ANSM provides for reporting a medication error or risk of error, including when no consequence for the patient has been observed. This differs from a suspected adverse reaction after use: a symptom alone does not establish that an error occurred.
Prepare the vaccine name, batch number if known, date, location and sequence of events. Your certificate, available packaging and exchanges with the professional can help establish the facts; distinguish what you know from what you assume.
The professional checks the procedure and product information, then explains the appropriate steps. Do not arrange a repeat injection yourself to correct a suspected error: the decision depends on checking what actually happened.
ANSM’s official page provides a specific error or risk-of-error form to send to the regional pharmacovigilance centre. You can also contact that centre for guidance. Ask the professional for help if the process or required information is unclear.
Reporting supports the safety of medicines, including vaccines; it does not replace care or automatically establish responsibility or causation. If your condition needs urgent medical help, do not wait to complete a reporting form before seeking it.
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