Trump 100% Drug Tariff: Which Medications Cost More and Which Generics Are Exempt

# Trump 100% Drug Tariff: Which Medications Cost More and Which Generics Are Exempt

> **Quick answer:** President Trump's April 2, 2026 proclamation imposes a 100% tariff on patented brand-name drugs and biologics listed in the FDA's Orange Book and Purple Book. Generic drugs, biosimilars, orphan drugs, plasma-derived therapies, cell/gene therapies, and fertility treatments are explicitly exempt. The tariff clock for large pharmaceutical companies hits July 31, 2026 — giving patients roughly 100 days to understand which of their prescriptions may cost more, and what they can do about it.

If you take a prescription drug — and 66% of American adults do — the Trump 100% drug tariff is not an abstract trade story. It is a kitchen-table question: will your medication cost more, and by how much? Here is a clear breakdown of which drugs are covered, which are exempt, and what the implementation timeline actually means for your pharmacy bill.

## What Trump's 100% Drug Tariff Actually Does

On April 2, 2026, President Trump signed a proclamation invoking Section 232 of the Trade Expansion Act of 1962 — the same national security authority used for steel and aluminum tariffs — to impose levies on imported pharmaceutical products. The core logic: roughly 90% of active pharmaceutical ingredients (APIs) in U.S. medications are manufactured abroad, primarily in India and China, creating what the administration characterizes as a national security vulnerability.

The tariff structure is tiered, not a flat 100% on everything: