You Are Managing the Care of a Patient Recently Diagnosed

You are managing the care of a patient recently diagnosed with benign prostatic hyperplasia (BPH) . He is taking tamsulosin but reports dizziness when standing abruptly. The best option for this patient is:

A) Continue the tamsulosin because the side effect will resolve with continued treatment.
B) Discontinue the tamsulosin and start doxazosin.
C) Have him double his fluid intake and stand more slowly.
D) Prescribe meclizine as needed for the dizziness.