Mu-opioid receptor antagonist

Naloxone, Naltrexone

1 substance · under Opioid system · Naloxone

Last updated

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CLASS

Mu-opioid receptor antagonist

dimensionPharmacological

members1

Psychoactive

Opioid1 of 1 member

Chemical

Morphinan1 of 1 member
Substituted morphinan1 of 1 member

bars are shares of 1 member

Abnormal heartbeat1 of 1 member documented
Anhedonia1 of 1 member documented
Anxiety1 of 1 member documented
Appetite suppression1 of 1 member documented
Breathing alteration1 of 1 member documented
Cognitive fatigue1 of 1 member documented
Compulsive behavior reduction1 of 1 member documented
Confusion1 of 1 member documented

1 of 1 member documented

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Parent: Opioid system
Current: Mu-opioid receptor antagonist
beside Sibling: Kappa-opioid receptor agonist, Sibling: Kappa-opioid receptor antagonist, Sibling: Mu-opioid receptor agonist, Sibling: Mu-opioid receptor partial agonist

Members

–NaloxoneSubstituted morphinan, Morphinan

Provenance not recorded · not yet verified by a human reviewer

Harm-reduction reference — not medical advice.

Last updated Mar 18, 2026Report an issue