Psychological antagonist is found in
(Ref Katzung 12/e p20) Physiological antagonists are those drugs that produce opposite action by acting on different receptors. Adrenaline reverses the bronchoconstrictor action of histamine (. H1 receptors) by causing bronchodilation (through beta2 receptors). Therefore,these are physiological antagonists.
Isoprenaline and sulbutamol
Isoprenaline and adrenaline
Isoprenaline and propranolol
Adrenaline and histamine
General anatomy