Clarithromycin 500mg Extended-Release Tablets from Canada
Clarithromycin ER treats chronic bronchitis and sinusitis with once-daily dosing. 500mg extended-release tablets in retail bottles classify as macrolide antibiotic under HTS 3004.20.00.83.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Dissolution testing data for ER profile mandatory
• CYP3A4 interaction warnings required
• Don't overlook polymer matrix excipient declarations