Question

which adverse gastrointestinal effect may occur with spironolactone? heartburn vomiting diarrhea anorexia

Explanation:

Spironolactone is a diuretic. Among the options, vomiting is a common adverse gastrointestinal effect associated with it. Heartburn is less typical, diarrhea may occur but is not as common as vomiting, and anorexia is more of a general loss - of - appetite effect rather than a direct gastrointestinal effect like vomiting.

Answer:

B. Vomiting