About adverse reactions (side effects)

An adverse reaction or side effect is a harmful and unintended response to a health product. The reaction occurs at doses normally used or tested to:

A serious adverse reaction is a harmful and unintended response to a health product. It may occur at any dose and:

You may experience an adverse reaction even when using the product as directed. Reactions may become apparent within minutes or years after exposure. These can range from minor reactions, like a skin rash, to something more serious, like a heart attack or liver damage.

Health products that may cause an adverse reaction include:

Why it is important to report an adverse reaction

Reporting an adverse reaction helps us to:

Report an adverse reaction

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