Alka-Seltzer Lemon-Lime Effervescent Antacid Tablets from Mexico
Alka-Seltzer effervescent tablets with aspirin, sodium bicarbonate, and citric acid dissolve in water to relieve heartburn, acid indigestion, and headaches. Sold in measured doses for retail, they are classified as antacids under HTS 3004.90.92.53.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Provide stability data for effervescent formulations to confirm shelf-life under varying humidity conditions
• Label with clear dissolution instructions and warnings to meet OTC monograph standards
• Separate aspirin-containing antacids from pure antacids in declarations to avoid combination drug scrutiny