Step 1

Pharmacology 3

A 36-year old man presents to the neurologist because for the past 2 years the patient has been experiencing excruciatingly painful headaches around his right eye socket that last approximately 30 minutes. He reports that the headaches tend to occur daily for several weeks and are followed by a period of remission. When he gets these headaches, the patient notes that his right eye starts tearing up and that he gets a runny nose.

Which of the following is the mechanism of action of the most common medication used for relief of this type of headache when it occurs?

  • A) 5HT1A/1B agonist
  • B) 5HT1A antagonist
  • C) 5HT3 antagonist
  • D) D2 agonist
  • E) GABAA agonist

Authors

Dr. Ted O'Connell

Anastasiya Haponyuk

Editor

Dr. Ted O'Connell

Last updated

May 16, 2022

Source

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