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.

However, in order to avoid neuropathic side effects, patients under thalidomide therapy should be monitored every 6 months with nerve conduction studies while taking the drug.
thalidomide

Administration of intrathecal Ara-C in the same dose over longer intervals within 3-5 days between consecutive doses resulted in mild, transient neurological symptoms (paresthesias) in only one of 30 patients so treated.
Ara-C

Niacin causes a reversible toxic cystoid maculopathy that occurs in approximately 0.67% of patients taking high doses of the drug.

Niacin