Rebecca Robbins

In a first, Colorado will cap the price of Enbrel, an arthritis drug. Using patent tactics, the drugmaker Amgen has aggressively blocked competition for it.

The owner of Kleenex and Huggies will acquire the company that has fought unproven claims by the Trump administration that a common pain reliever is linked to autism.

The agency announced moves to cut regulatory obstacles for the makers of biosimilar drugs, which are akin to generics and may help lower drug costs.

The lawsuit follows claims by President Trump that linked use by pregnant women of acetaminophen to autism, a connection that is unproven.

A new analysis found that nearly 700 drugs approved for use in the United States depend on chemicals solely produced in China.

The president and top health officials acknowledged using the leverage of tariff threats to forge an agreement. Other companies are still in negotiations with the White House.

Acetaminophen’s link to autism is unproven. But hundreds of Americans accidentally overdose on the drug each year, suffering liver damage that can require a transplant or even be fatal.

President Trump and top health officials announced a deal with Pfizer to try to lower Medicaid prices, and a website to help consumers buy drugs directly from manufacturers.

The administration also announced it will create a website, TrumpRx, that will help consumers buy drugs directly from manufacturers.

President Trump’s planned pharmaceutical tariffs threaten to hit many of the most common and well-known drugs that Americans take.

The president said he would impose a tariff of 100 percent on certain brand-name drugs. Here’s what we know so far.

A federal website notice, deleted and then reposted by the administration, provides a hint that more aggressive pricing policies may be coming.

Kenvue, una empresa derivada de Johnson & Johnson, se enfrenta a una pesadilla de relaciones públicas ya que el presidente Trump y otros sugieren vínculos no probados entre el analgésico y el autismo.

The Trump administration has cited Dr. Andrea Baccarelli’s expertise to warn against using acetaminophen — the active ingredient in Tylenol — in pregnancy, based on an unproven autism link.

Kenvue, a two-year-old spinoff from Johnson & Johnson, is confronting a public-relations nightmare as President Trump and others suggest unproven links between the pain reliever and autism.

The F.D.A. approved Merck’s injected version of its blockbuster infusion Keytruda. The company says it will be quicker and easier, but it stands to slow the adoption of cheaper competitors and increase costs by billions of dollars.

Behind the scenes, major pharmaceutical companies and Trump-tied billionaires are furiously lobbying in opposite directions over proposed anti-China measures.

The administration is proposing a return to a 1990s-era policy that kept most drug ads off TV. That could dent the revenues of drugmakers and major networks.

In a new nonfiction book, the Y.A. novelist describes the disease as a window into “the folly and brilliance and cruelty and compassion of humans.”

Manufacturing in Ireland has long helped many American drug companies pay lower taxes. But that strategy was designed for a world without President Trump’s tariffs.