1 Matching Annotations
- Mar 2019
-
www.ncbi.nlm.nih.gov www.ncbi.nlm.nih.gov
-
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.
-