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for educational and safety purposes
class, effects, and the receptor fingerprint, side by side; add up to four, then source the whole stack
Popular head-to-heads →Mu-opioid receptor (MOR / OPRM1)agonist
Delta-opioid receptor (DOR / OPRD1)agonist
Kappa-opioid receptor (KOR / OPRK1)agonist
Nociceptin receptor (NOP / OPRL1)agonist
Beta-arrestin-2 (via the mu receptor)modulates
Blood-brain barriercrosses rapidly
Carboxylesterases and cholinesterasedeacetylated by
Mu-opioid receptor (MOR)agonist (via 6-MAM and morphine)
Kappa-opioid receptor (KOR)agonist
Delta-opioid receptor (DOR)agonist
Diacetylmorphine (parent molecule)binds directly
checking Fentanyl and Heroin: at least one combination is flagged to avoid (1 to avoid). treat the red pairs as a reason to reconsider mixing.
two strong CNS depressants (opioid, benzodiazepine, z-drug, barbiturate, gabapentinoid, GABAergic or alcohol) add together on sedation and breathing; a leading cause of fatal respiratory depression.
General educational info, not medical advice.