Prophylactic Acetaminophen or Ibuprofen Result in Equivalent Acute Mountain Sickness Incidence at High Altitude: A Prospective Randomized Trial  Nicholas C. Kanaan, MD, Alicia L. Peterson, MD, Matiram Pun, MD, Peter S. Holck, PhD, Jennifer Starling, MD, Bikash Basyal, MD, Thomas F. Freeman, MD, Jessica R. Gehner, MD, Linda Keyes, MD, Dana R. Levin, MD, Catherine J. O’Leary, MD, Katherine E. Stuart, MD, Ghan B. Thapa, MD, Aditya Tiwari, MD, Jared L. Velgersdyk, MD, Ken Zafren, MD, Buddha Basnyat, MD  Wilderness & Environmental Medicine  Volume 28, Issue 2, Pages 72-78 (June 2017) DOI: 10.1016/j.wem.2016.12.011 Copyright © 2017 Wilderness Medical Society Terms and Conditions

Figure 1 Study flowchart. Wilderness & Environmental Medicine 2017 28, 72-78DOI: (10.1016/j.wem.2016.12.011) Copyright © 2017 Wilderness Medical Society Terms and Conditions

Figure 2 (A) Lake Louise Questionnaire (LLQ) score at Lobuche in acetaminophen (A) and ibuprofen (B) groups. (B) LLQ score distribution among only those diagnosed with acute mountain sickness at Lobuche. Wilderness & Environmental Medicine 2017 28, 72-78DOI: (10.1016/j.wem.2016.12.011) Copyright © 2017 Wilderness Medical Society Terms and Conditions