tramadol(redirected from Ultram ER)
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Related to Ultram ER: Tramadol
A synthetic analgesic, C16H25NO2, used in its hydrochloride form to treat moderate to moderately severe pain. It is structurally similar to codeine and has both opioid and nonopioid effects.
[tram-, of unknown origin + -adol, mixed opiate agonist/antagonist suffix.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.