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: Dihydropyrimidine dehydrogenase deficiency: a pharmacogenetic defect causing severe adverse reactions to 5-fluorouracil-based chemotherapy.

A: 5-fluorouracil
****
Q: This is a case report of subtle, mild hypothermia in a 54-year old female patient receiving risperidone for schizophrenia.

A: risperidone
****
Q: PURPOSE: A case of carbamazepine-induced hyperammonemia is presented.

A:
carbamazepine
****