</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Zyvox Linezolid Ophthalmic Suspension from Mexico

Linezolid 0.5% ophthalmic suspension treats bacterial conjunctivitis and corneal ulcers. This sterile topical anti-infective containing linezolid in measured dropper bottles classifies under HTS 3004.90.92.13.

Duty Rate — Mexico → United States

100%

Rate breakdown

9903.04.60100%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.860%Universal product exemption (U.S. note 52(b))
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

Import Tips

Provide preservative efficacy testing against ocular pathogens

Include drop size uniformity and bottle tip sterility validation

Document pH range compatibility with ocular surface (6.5-7.8)

Zyvox Linezolid Ophthalmic Suspension from Mexico — Import Duty Rate | HTS 3004.90.92.13