 - Subjects must not have any significant medical condition which, in the judgment of the Investigator, is a contraindication to the use of phenylephrine HCl, might interfere with the study or requires treatment expected to affect the blood pressure. These may include hyperthyroidism, hypothyroidism, uncontrolled diabetes mellitus, coronary heart disease, ischemic heart disease, elevated intraocular pressure, prostatic hypertrophy. 