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Efficacy of Angiotensin II Receptor Antagonists in
Preventing Headache: Systematic Overview
and Meta-analysis
Etminan M, Levine MA,
Tomlinson G, Rochon PA.
Posted October 2003
Am J Med. 2002;112:642-646

Purpose: To determine whether angiotensin II receptor antagonists prevent headaches.

Conclusion: Angiotensin II receptor antagonists appear to be effective in preventing headaches, but the mechanism of this benefit and the types of headaches that are prevented are not known. Randomized trials are warranted.