Which term describes drugs used for the treatment of nausea?

• A. Proton Pump Inhibitors
• B. Antiemetic
• C. Antacids
• D. H2-receptor blockers

Answer: (B)

Antiemetic describes drugs that treat nausea and vomiting. These medications work by blocking the signals that trigger the vomiting center in the brain or by stabilizing the stomach and gut to prevent nausea, such as in postoperative recovery, chemotherapy-induced nausea, or motion sickness. The other options target stomach acid rather than nausea: proton pump inhibitors block the acid pumps to reduce acid production, antacids neutralize acid, and H2-receptor blockers also reduce acid release by blocking histamine H2 receptors. So antiemetic is the best term for drugs used to treat nausea.