Nitrosamine impurities in medications: report a problem or concern

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If you’re a consumer

You are encouraged to report adverse reactions or side effects you witness or experience. You can also work with your health care provider to submit a report.

Report a side effect

We review and assess all reports on drugs. We will contact you to gather more information if needed.

If you’re a health care provider

Health care providers who suspect an adverse reaction (side effect) to a drug are strongly encouraged to report it. Talk to your patients about signs to watch for.

Report a side effect

Health Canada provides many sources of information on drug safety and risks. You can access:

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