U.S. consumers could start seeing price hikes on a wide variety of goods made in China after the United States began collecting a 10% tariff Tuesday on all Chinese imports, reigniting a trade war between the two countries that’s at risk of accelerating.

After a 10 percent tariff on Chinese products took effect on Tuesday, China announced retaliatory measures, including tariffs and an investigation of Google.

President Donald Trump’s executive order imposing a 10% tariff on Chinese imports is likely to drive up the cost of generic drugs in the United States and exacerbate drug shortages, experts say.