In some cases, a serious, possibly fatal drug interaction may occur.

He contended that the two drugs had led to a "fatal" interaction.

Ketoconazole must not be used with certain other medications because a serious, possibly fatal, drug interaction may occur.

In some cases, this can lead to a fatal interaction with drugs like astemizole or terfenadine.

This led to increasing amounts of fatal human-tiger interactions and poaching.

This drug should not be used with the following medications because very serious, possibly fatal interactions may occur: arbutamine, sibutramine.

Concomitant therapy of ritonavir with a variety of medications may result in serious and sometimes fatal drug interactions.

But some individuals experience severe allergic reactions or fatal interactions with other medications, and Cipro can damage the cartilage in growing children.

Dante had used these same vessels on his test run that had demonstrated the fatal interaction between lasers and Holtzman shields.

The first was the administration of meperidine, known to cause fatal interactions with phenelzine, the antidepressant that Libby Zion was taking.