Which one of the following types of drugs reduces fever?

Drugs are classified according to the physiological response they produce.

• Analgesics: These drugs alleviate pain but do not lower body temperature.
• Antipyretics: The prefix “pyret-” relates to fever; these drugs are specifically formulated to lower an abnormally high body temperature.
• Antibiotics: They kill or inhibit the growth of microorganisms and are used to treat infections, not to control fever directly.
• Tranquilisers: These act on the central nervous system to reduce anxiety and induce calmness; they have no direct effect on body temperature.

Since the question asks for the class of drugs that reduces fever, we must select the type whose primary action is to bring down elevated body temperature.

Therefore, the correct choice is:

Option B which is: Antipyretic