- A medical and psychiatric history will be obtained. For your own safety, it is your responsibility to tell the study doctor or study staff of your past and present diseases, all allergies and medical conditions, and all medications that you currently or recently have taken, including over-the-counter medications such as vitamins, allergy medicines, and herbal drugs. A physical examination and vital signs, which will include measuring your height, weight, blood pressure, respiratory (breathing) rate, and heart rate (pulse).