Erythromycin + Sulfonamide Tablets 500mg
Combination tablets with erythromycin and sulfamethoxazole/trimethoprim for urinary tract infections, mixed antibiotics in scored measured doses for retail. Classified in HTS 3004.20.0020 as erythromycin in combination with other antibiotics, excluding single agents.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If erythromycin with beta-lactams
Different antibiotic class combinations may fall under other antibiotic mixtures.
If primary ingredient not erythromycin
Heading based on predominant antibiotic; erythromycin must be principal component.
If added with antivirals
Mixtures with non-antibacterial agents shift to 'other medicaments'.
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Import Tips & Compliance
• Fixed-ratio combinations need specific FDA combination drug approval; declare both APIs
• Synergy data required for classification
• Avoid generic labeling issues
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