Adrenalone is a keton form of the natural substrate epinephrine. an adrenergic agonist that mainly acts on alpha-1 adrenergic receptors and has little affinity for beta receptors. Adrenalone inhibits the norepinephrine synthesis and dopamine beta oxidase. It is known to have very weak sympathomimetic activity when compared to adrenaline. Adrenalone has the high radioprotective effect. It is a topical nasal decongestant. Adrenalone has hemostatic, sympathomimetic and vasoconstrictor therapeutic functions.