Which of the following drug has visual field defects as an adverse effect?: (A) Cabergoline, (B) Bromocriptine, (C) Pegvisomant, (D) Leuprolide
Answer is C. Pegvisomant is GH receptor antagonist Known to cause visual field defect. Pegvisomant given subcutaneously cause toxicity:increase liver enzymes Also known as somatotropin antagonist Bromocriptine and Cabergoline are D2 receptor agonists Leuprolide is GnRH agonist