Floppy iris syndrome is associated with usage of: (A) Anticholinergics, (B) PDE- 5 inhibitor, (C) Selective alpha- adrenergic antagonist, (D) 5 alpha reductase inhibitor
Answer is C. Selective alpha- adrenergic antagonist side effects may include hypotension, dizziness, nasal congestion, headache, and floppy iris syndrome. Ref Harrison 20th edi page no 2833