#promethazine__Phenergan  antihistamine (trade name Phenergan) used to treat allergies; also an antiemetic used to treat motion sickness
  supertype:  antihistamine  a medicine used to treat allergies and hypersensitive reactions and colds; works by counteracting the effects of histamine on a receptor site
     supertype:  medicament__medicine__medication__medicinal_drug__medicinaldrug  something that treats or prevents or alleviates the symptoms of disease
        supertype:  drug  a substance that is used as a medicine or narcotic
           supertype:  agent.causal_agent  a substance that exerts some force or effect
              supertype:  causal_agent__cause__causal_agency  any entity that causes events to happen
                 supertype:  thing_playing_some_role  category to classify things according to roles/viewpoints; classification under this category is application-dependant
                    supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
  supertype:  antiemetic_drug__antiemetic  a drug that prevents or alleviates nausea and vomiting
     supertype:  medicament__medicine__medication__medicinal_drug__medicinaldrug  something that treats or prevents or alleviates the symptoms of disease

No statement uses or specializes promethazine; click here to add one.