Session 5: Antiemetics

Question 1

• prevent and treat severe N&V due to post-op or chemotherapy, pregnancy hyperemesis

Blocks serotonin receptors

Answer 1

Serotonin Antagonist Therapeutic Actions

Question 2

• H/A, drowsiness, constipation, fever, diarrhea
• rare but serious: abnormal cardiac rhythm, prolonged QT on EKG
• serotonin syndrome: especially with taking other serotonin receptor blocking drugs

Answer 2

Serotonin Antagonist Side Effects

Question 3

• Monitor for side effects
• Hold if s/s serotonin syndrome,
  request EKG if heart arrhythmias
• Teach: Immediately report change in
  heart rate, lightheadedness, vertigo, s/s allergy (rash, fevers, chills, breathing problems)

Answer 3

Antiemetics Nursing Considerations