For patients experiencing frequent episodic or chronic tension-type headaches (TTH) who prefer medication to behavioral therapy, which drug is recommended as a prophylactic treatment?
Group of answer choices
- Amitriptyline
- Sumatriptan
- Acetaminophen
- Ibuprofen
The correct answer is: Amitriptyline
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Explanation:
For prophylactic (preventive) treatment of frequent episodic or chronic tension-type headaches (TTH), the first-line pharmacological option is:
- Amitriptyline (a tricyclic antidepressant, TCA).
Key Points About Amitriptyline for TTH:
- Mechanism:
- Modulates central pain pathways (serotonin/norepinephrine reuptake inhibition).
- Reduces headache frequency and severity (not just acute relief).
- Dosing:
- Low doses (e.g., 10–75 mg nightly) are typically effective.
- Evidence:
- Supported by guidelines (e.g., AAN, ICHD-3) as first-line prophylaxis.
Why Not the Others?
- Sumatriptan: A 5-HT1B/1D agonist for acute migraine attacks (not TTH prophylaxis).
- Acetaminophen/Ibuprofen: Used for acute pain relief in TTH but not preventive therapy (risk of medication-overuse headache).
Non-Pharmacologic Alternatives:
- Behavioral therapy (e.g., relaxation training, biofeedback) is equally effective but may not be preferred by all patients.
Thus, amitriptyline is the recommended prophylactic drug for TTH.
