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.
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Question: In the other patient, a 78-year-old woman, Neisseria mucosa knee arthritis occurred after a single sodium hyaluronate injection.

Answer: sodium hyaluronate


Question: Valproate embryopathy in three sets of siblings: further proof of hereditary susceptibility.

Answer: Valproate


Question: PURPOSE: We report an unusual paradoxical effect of brimonidine.

Answer:
brimonidine