When the drug binds to the receptor and causes action opposite to that of agonist is called as
Complete agonist
Paial agonist
Inverse agonist
Neutral agonist
In pharmacology, an inverse agonist is a drug that binds to the same receptor as an agonist but induces a pharmacological response opposite to that of the agonist Ref-KDT 7/e p42
General anatomy