The correct answer is C. paracetamol.
Paracetamol is a drug that is used to relieve pain and fever. It is also known as acetaminophen or APAP. Paracetamol is available over-the-counter in many countries and is one of the most commonly used medications in the world.
Paracetamol works by blocking the production of prostaglandins, which are chemicals that are involved in pain and fever. It is not known exactly how paracetamol works, but it is thought to act on the central nervous system.
Paracetamol is generally safe and effective when used as directed. However, it can cause side effects, such as nausea, vomiting, and stomach upset. In rare cases, paracetamol can cause more serious side effects, such as liver damage.
Chloroquine is a drug that is used to treat malaria. It is also used to treat rheumatoid arthritis and lupus. Chloroquine is not an antipyretic or analgesic.
Penicillin is a group of antibiotics that are used to treat bacterial infections. Penicillin is not an antipyretic or analgesic.
Chlorpromazine hydrochloride is a drug that is used to treat schizophrenia and other mental disorders. It is also used to treat nausea and vomiting. Chlorpromazine hydrochloride is not an antipyretic or analgesic.