This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Pharmacology
True regarding use of bromocriptine for suppression of lactation includes: 
Select and explain. 
A. It can cause deep vein thrombosis, B. It can cause hypotension, C. Metoclopramide potentiates the action of bromocriptine, D. It is given for 1 week only
B: It can cause hypotension
Answer: B: It can cause hypotension 
Explanation: Ans. (B) It can cause hypotension(Ref: KDT 8/e p261)For suppression of lactation, D2 agonists like bromocriptine can be used. In hyperprolactinemia, these are given for long periods.Metoclopramide being a D2 antagonist will stop the action of bromocriptine.Adverse effects of bromocriptine include nausea vomiting, postural hypotension, digital vasospasm and CNS effects like hallucinations, psychosis etc.