understanding health canada antimicrobial categories

Health Canada recognizes that all available antimicrobial drugs are important. However, some drugs are considered more important than others in treating serious bacterial infections, and resistance development against those antimicrobials might have more serious consequences in human health. Understanding the different categories of antimicrobials and when to use them is an essential step in developing effective mastitis treatment strategies.

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one very high
importance

These antimicrobials are essential for the treatment of serious human illnesses. Very few or no alternatives are available if these don’t work.

icon high
icon 2 high
importance

These antimicrobials treat a variety of serious infections. Alternatives are generally available if needed, including Category 1 antimicrobials.

icon medium
icon 3 medium
importance

These antimicrobials treat a variety of less serious infections. Alternatives are generally available including Category 1 and 2 antimicrobials.

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icon 4 low
importance

Antimicrobials in this category are currently not used in human medicine.

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article-mob1

selective dry cow therapy

Effective dry cow management techniques will help improve milk quality and udder health.

read more about selective dry cow therapy
article-mob2

the fight against antimicrobial resistance

The fight against antibiotic resistance is everyone’s business!

read more about antimicrobial resistance