In this task, you will be given sentences in which your task is to recognize the name of the drug or medicine. Drugs are substances that change a person's mental or physical state. They can affect how your brain works, how you feel and behave, your understanding, and your senses. Although there might be several correct answers, you need to write one of them.

Q: The hyperpigmentation was diffuse scattered, flagellate like and linear streaking which was thought to be mainly related to the skin toxicity of bleomycin.

A: bleomycin
****
Q: We discuss the association between carbamazepine and hyponatremia and the causes of hyponatremia after cardiopulmonary bypass.

A: carbamazepine
****
Q: We conclude that the presence of this metabolic defect combined with topical 5-FU (a drug demonstrating a narrow therapeutic index) results in the unusual presentation of life-threatening toxicity after treatment with a topical drug.

A:
5-FU
****