A medication recall has been issued nationwide, affecting nearly 1 million bottles of a heart failure treatment. The recall is due to the possibility that the bottles may contain a foreign substance.

The recall alert was issued by the FDA, but details about the specific medication and the foreign substance are not provided here. For more information, readers can refer to the FDA recall alert.

Further details about the recall can be found through the FDA or other reliable sources, which may provide additional information on the medication and the recall process.