A serotonergic substance, medication, or receptor protein is one that affects neurotransmission pathways that involve serotonin, as follows:
- Serotonergic drugs
- Serotonin receptor agonists
- Serotonin receptor antagonists
- Serotonin reuptake inhibitors
- Serotonin releasing agents
- Serotonergic psychedelics
- Serotonergic cells
- Serotonergic cell groups