KETEK® is no longer approved for the treatment of bronchitis, sinusitis or tonsillitis/pharyngitis

From Health Canada:
Upon review of the available safety information, including reported cases of severe liver injury, Health Canada has determined that the benefit-risk profile for KETEK® no longer supports its use for the treatment of acute exacerbation of chronic bronchitis (AECB), acute bacterial sinusitis (ABS) or tonsillitis/pharyngitis. These indications will be removed from the label.
For health care professionals
For the public