FOLLOW THE CONNECTIONS
The knowledge graph.
Explore substances, mechanisms, and effects. Select a node to read its article and inspect the evidence.
Mapping connections…
SubstanceConceptRelationship
Explore an accessible text view
Substances
Concepts
- Antihistamineclass
Relationships
Editorial index: substances classified under antihistamine. This index does not assert a combined effect. Compounds that inhibit histamine receptor signaling. Receptor selectivity and additional actions differ across drugs.
- Antihistamineindex concept
- Diphenhydramineindexed substance
Relationship nodes connect multiple concepts in one sourced statement. Member roles identify the substance, biological target, measured outcome, or exposure context. Editorial index relationships group classifications. Connections are not recommendations to combine substances.