Evan S. Schwarz, M.D.

Evan S. Schwarz, M.D.


Associate Professor of Emergency Medicine
Medical Toxicology Section Chief
Director of the Outpatient Medical Toxicology and Addiction Medicine Clinic

Phone: 314-747-3690

Click here for research lab


  • BA: University of Texas at Austin 2001
  • MD: University of Texas Medical Branch at Galveston 2005


  • Residency: Barnes-Jewish Hospital, St. Louis, MO 2009
  • Chief Resident: Barnes-Jewish Hospital, St. Louis, MO 2009
  • Fellowship: Toxicology, University of Texas Southwestern Medical Center, Dallas 2011

Licensure and Board Certification

  • Emergency Medicine
  • Medical Toxicology
  • Addiction Medicine

Honors and Awards

  • Resident board member of the Missouri College of Emergency Physicians, 2007-2008
  • Chief Resident Emergency Medicine Washington University, 2008-2009
  • Missouri State Medical Association Resident Fellow Division councilor, 2008
  • Fellow of the American College of Emergency Physicians, 2012
  • American College of Emergency Physicians Teaching Fellowship, 2014-2015
  • WUSM Academic Medical Leadership Development Program, 2015
  • Vice president of the Missouri College of Emergency Physicians. 2016-2018
  • Board member of the American College of Medical Toxicology, 2016-2018
  • Fellow of the American College of Medical Toxicology, 2017

Recent Publications view all

Peer reviewed manuscripts

  1. Schwarz ES, Mullins ME, Brooks CB.  Ciguatera poisoning successfully treated with delayed mannitol.  Ann Emerg Med. 2008 Oct;52(4):476-7.[PMID:18809112]
  2. Schwarz ES, Barra M, Liao MM. Successful Resuscitation of a Patient in Asystole after a TASER Injury Using a Hypthermia Protocol.  Am J Emerg Med2009;27(4):515.e1-2.[PMID:19555635]
  3. Roth B, Schwarz ES, Feng S, Young AC.  Good Outcomes despite High Urinary Arsenic Concentrations from Overdose with Crab Grass Killer. J Med Tox 2011.7(2):158-61.[PMID:21318449}
  4. Young A, Schwarz E, Genevieve M. Obafemi A, Feng SY, Kane C, Kleinschmidt K. Cardiotoxicity Associated with the Synthetic Cannabinoid, K9, with Laboratory Confirmation. Am J Emerg Med 2012;30(7):e5-7.[PMID:21802885]
  5. Forrester M, Schwarz ES, Kleinschmidt KC, Young AC.  Synthetic Cannabinoid Exposures Reported to Texas Poison Centers. J Addict Dis 2011;30(4):351-358.[PMID:22026527]
  6. Horwitz DA, Schwarz ES, Scott MG, Lewis LM.  Emergency Department Patients with Diabetes Have Better Clycemic Control when They have an Identifiable Primary Care Provider.  Acad Emerg Med 2012;19(6):650-5.[PMID:22632540]
  7. Forrester M, Kleinschmidt KC, Schwarz ES, Young AC.  Synthetic Cannabinoid and Marijuana Exposures Reported to Poison Centers. Hum Exp Toxicol 2012;31(10):1006-11.[PMID:22859662]
  8. Mullins ME, Schwarz ES.  No need to change treatment of early presenting patients with acetaminophen overdose. Clin Tox 2012;50(1):78.[PMID:22115058]
  9. Mullins ME, Schwarz ES.  Re: Remen et al.  "Mathematical modeling of liver injury and dysfunction after acetaminophen overdose." Hepatology 2012;56(6):2427-8. [PMID:22806570]
  10. Forrester M, Kleinschmidt KC, Schwarz ES, Young AC.  Comparison of synthetic cannabinoid ingestions and inhalations reported to Texas Poison Centers.  journal of Addiction Medicine 2012.
  11. Young AC, Schwarz ES, Velez LI, Gardner M. Two cases of disseminated intravascular coagulation due to "bath salts" resulting in fatalities, with laboratory confirmation.  Am J Emerg Med 2013.31(2):445.e3-5. [PMID:22867829]
  12. Schwarz ES, Chung WM, Wax PM, et al.  MMWR Morb Mortal Wkly Rep. Sodium azide poisoning at a restaurant-Dallas County, Texas,2010.  MMWR June 29, 2012;61(25):457-460[PMID:22739775]
  13. Abdelmalek D, Schwarz ES, Halcomb SE, Sampson C, Arroyo-Plasencia A, McCammon C, Stenger A, Krehbiel N, and Mullins ME.  life threatening diphenhydramine toxicity presenting with seizures and a wide complex tachycardia improved with intravenous fat emulsion.  Am J Ther 2014.21(6): 542-4. [PMID:24096706]
  14. Schwarz ES, Mullins ME. Response to: "Introduction of an N-acetylcysteine weight-based dosing chart reduces prescription errors in the treatment of paracetamol poisoning.  Emerg Med Australas. 2013;25(3): 285-6. [PMID: 23759054]
  15. Schwarz ES, Cohn BG.  Is Intravenous Acetylcysteine More Effective than Oral Administration for the Prevention of Hepatotoxicity in Acetaminophen Overdose?  Ann Emerg Med. 2014;63(1):79-80.[PMID: 23927960]
  16. Liss DB, Paden MS, Schwarz ES, Mullins ME. What is the clinical significance of 5-oxoprline (pyroglutamic acid) in high anion gap metabolic acidosis following paracetamol (acetaminophen) exposure? ClinToxicol (Phila) 2013;51(9):817-27. 2013. [PMID:24111553]
  17. Schwarz ES, Chung WM, Wax PM, Kleinschmidt KC, Sharma K, Cantu G, Spargo E. Multiple Poisonings with Sodium Azide at a Local Restaurant. J Emerg Med 2014;46(4):491-494. [PMID: 24262061]
  18. Mullins ME, Schwarz ES. “Krokodil” is an urban legend and not a medical fact. Am J Med 2014;127(7):e25. [PMID:24970607]
  19. Schwarz ES, Arroyo AM, Mullins ME. Other Complications Following Lipid Emulsion Therapy. J Med Toxicol 2014;10(2):247-8. [PMID: 24639198]
  20. Schwarz ES, Thoelke M. Altered Mental Status and Hyperammonenemia after Overdose of Valproic Acid with Therapeutic Valproic Acid Concentrations. International Journal of Clinical Medicine 2014;5(10)[ID:2100587][ DOI: 10.4236/ijcm.2014.510075]
  21. Schwarz ES, Cohn BG. Is Dexamethasone as Effective as Prednisone or Prednisolone in the Management of Pediatric Asthma Exacerbations? Ann Emerg Med 2015;65(1):81-2.[PMID:24954577]
  22. Mullins ME, Schwarz ES, Dribben W, Halcomb SE, Arroyo-Plasencia A. Silibinin: Where is the Ethical Conundrum. Chest 2015;147(3):e105.[PMID:25732452]
  23. Watkins W, Schwarz ES, Arroyo-Plasencia AM, Mullins ME, on behalf of the ToxIC Investigators. The Use of Physostigmine by Toxicologists in Anticholinergic Toxicity. J Med Toxicol 2014.[Epub ahead of print][PMID: 25510306]
  24. Mullins M, Liss D, Schwarz E. Comment: severe anaphylactic reaction following Crotalidae Polyvalent Immune Fab (Ovine) administration for copperhead snakebite. Ann Pharmacother 2015;49(4):496.[PMID25762655]
  25. Schwarz ES, Mullines ME. Paracetamol: Is all the concern valid. Ann Rheum Dis 2015 [epub ahead of print][PMID:25858642]
  26. Schwarz ES, Mullins ME.  When 2 is Not Better Than One.  Br J Clin Pharmacol 2017.  Accepted for publication.  [PMID:28543530]
  27. Farrugia LA, Rhyee SH, Calello DP, Campleman SL, Riederer AM, Malashock HR, Pizon A, Wiegand T, Wax PM, Brent J; Toxicology Investigators Consortium Study Group.  The Toxicology Investigators Consortium Case Registry-the 2016 Experience.  J Med Toxicol. 2017.  [PMID 28766237]
  28. Hafez Z, Mullins ME, BLohm E, O'Connor MJ Dezieck L, Schwarz ES, Conicella A.  Cannabinoid hyperemesis syndrome and topical capsaicin;  treating smoke with fire?-the authors reply  Clin Toxicol (Phila) 2017;55(8)"908-913. [PMID 287830852]
  29. Thoma B, Sebok-syer SS, Krishnan K, the METRIQ Study Collaborators, et al.  Individual Gestalt Is Unreliable for the Evaluation fo Quality in Medical Education Blogs:  A METRIQ Study.  Ann Emerg Med 2017;70(3):394-401. [PMID:28262317]
  30. Liss DB, Schwarz ES, Mullins ME. Sodium Acetate Infusion for Serum and Urine Alkalinization.  Ann Emerg Med 2017;70(4):601-602. PMID:28946986]
  31. Lewis L, Carpenter CR, Schwarz ES, Jotte RS, Waller  C, Winograd R, Williams R, Stenger s, Rehder H, Governick s, Giuffra L.  The Opioid Crisis in Missouri:  A Call to Action for Physicians, Legislators, and Society.  MO Medicine 2017;114(6):440-6.
  32. Carpenter CR, Lewis L, Jotte R, Schwarz ES.  A Bridge to Nowhere?  Challenging Outpatient Transitions of Care for Acute Pain Patients in the Opioid Epidemic Area.  MO Medicine 2018
  33. Karlow N, Schlaepfer CH, Stoll C RT, Doering M, Carpenter CR, Colditz GA, Motov S, Schwarz ES.  A systematic Review and Meta-Analysis of Ketamine as an Alternative to Opioids for Acute Pain in the Emergency Department.  Academic Emergency Medicine 2018.  Accepted for publication

Invited Publications

  1. Critical Connections
    1. Need a Pressor but Don't Really Want a Pressor...How 'Bout some Calcium?  July 2013
    2. Snakes in the ED. Be Very Concerned...or Should You?  June/July 2015
  2. Missouri College of Emergency Physicians EPIC
  3. Emergency Physicians Monthly Article
    1. American College of Emergency Physicans

    Media Interviews

    1. Snake envenomations on KMOV.  May 31, 2017.
    2. Charlie Brennan show on CBS radio KMOX.  Accessed August 31, 2017.
    3. Saint Louis Area Opioid Deaths Reach 650 in 2016.  September 1, 2017.
    4. Inside an Epidemic.  September 22, 2017
    5. Amid national opioid crisis, what's being done to combat opioid addiction?  October 24, 2017
    6. Former addicts dispatched to emergency rooms around St. Louis and change lives of those who overdose.  Accessed November 18, 2017
    7. For patients struggling with opioids, ED visit can mark new start.  Accessed November 22, 2017
    8. Missouri Hospital Association Trajectories December 2017.  Accessed December 10, 2017

    Contact Us
    Follow Us:     
    Everyday EBM   
    P: (314) 747-4156
    F: (314) 362-0478
    Make a Gift
    EM Statistics
    Adult ED Visits: 95,600
    Pediatric ED Visits: 55,000
    Trauma Center: Level 1
    Residency Type: 1-4
    Fellowship Programs: 5
    FT Faculty: 46
    Residents: 53