<prompt> Not an effect of bromocriptine is -Dopamine agonistIncreases prolactin releaseDecreases prolactin releaseAll  <response>: Ans. is b i.e., Increase prolactin release Bromocriptine is a potent dopamine agonist. o The actions of bromocriptine is due to dopamine like effect dopaminergic on D2 and less common DI receptors. Dopamine inhibits the secretion ofprolactin -- Bromocriptine does the same. Dopamine increases the secretion of GH in normal individuals but decreases in acromegalics Bromocriptine also has r_.cone effect. 3. Dopamine stimulates CTZ and causes nausea, vomiting -- same is true with bromocriptine - Nausea vomiting are the commonest adverse effects. Dopamine decreases GI motility -- Bromocriptine has same effect. Levodopa is an immediate precursor of dopamine so, bromocriptine also has levodopa like action in CNS. 