Levetiracetam and Phenytoin Combo Tablets from China
Combination tablets with both levetiracetam and phenytoin salts for refractory epilepsy. HTS 3004.90.92.41 applies as mixed CNS anticonvulsants in retail measured doses.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Drug interaction studies required for fixed combinations
• Declare both actives prominently on labeling
• Ensure proportional dosing matches clinical guidelines