- Current use of any other medication (including over-the-counter, herbal or homeopathic preparations) that could affect (improve or worsen) the condition being studied, or could affect the action, absorption, or disposition of the investigational product(s), or clinical or laboratory assessment. (Current use is defined as use within 14 days of dosing). Subjects must be on a stable dose of allowed medications for 14 days prior to dosing.