class, effects, and the receptor fingerprint, side by side; add up to four, then source the whole stack
Popular head-to-heads →Mu-opioid receptorFull agonist
Mu-opioid receptor (OPRM1)agonist
Kappa-opioid receptor (OPRK1)agonist
Delta-opioid receptor (OPRD1)agonist
Mu-delta opioid receptor heteromermodulates
Toll-like receptor 4 (TLR4 / MD2)modulates
checking Hydromorphone and Morphine: 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.