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Acyclovir 400mg Tablets

Acyclovir treats herpes simplex virus infections including cold sores and genital herpes. As a synthetic antiviral anti-infective in tablets, it fits HTS 3004.90.92.15.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+100.0%100%
🇲🇽MexicoFree+100.0%100%
🇨🇦CanadaFree+100.0%100%
🇩🇪GermanyFree+15.0%15%
🇯🇵JapanFree+15.0%15%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2933.59Lower: 19% vs 100%

If bulk nucleoside analog

Active ingredients without retail dosing under Chapter 29.

3004.90Same rate: 100%

If reclassified as antiviral vaccine adjuvant

Therapeutic vs prophylactic distinction affects heading.

3005.90Lower: 12.5% vs 100%

If adhesive bandage impregnated with acyclovir

Wound dressings with medicaments go to heading 3005.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Light-sensitive; amber glass or foil blister required

• Herpes treatment duration labeling for retail packs

• Avoid IV solution confusion with oral tablets