218 Matching Annotations
  1. Oct 2019
  2. Aug 2019
  3. Jul 2019
  4. May 2019
  5. Mar 2019
    1. We have previously shown that antinociceptive effects of morphine are enhanced in histamine H1 receptor gene knockout mice.

      H1 antihistamines enhance the opioid high in humans. Hospitals sometimes administer antihistamines in combination with opioids. It's not hard to find people online who are using this combination recreationally.

  6. Jan 2019
  7. Nov 2018
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  10. Jul 2018
  11. Nov 2017
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  15. Oct 2016