Methacetin ($4$-methoxy-acetanilide) is a/an ... drug.

$A$ $16$-year-old boy visits a doctor complaining of sneezing,watery eyes,and a runny nose,along with constant itching in the eyes. He also has a known allergy to dust. Which medicine will the doctor recommend?

The substances which affect the central nervous system and induce sleep are called

Explain neurologically active drugs.

Which of the following drugs is an antidepressant?

An antipyretic is used as a/an ...... .