Before taking atorvastatin, 1  tell your doctor and pharmacist if you are allergic to atorvastatin, any other medications, or any of the ingredients in atorvastatin tablets. 2  Ask your pharmacist for a list of the ingredients.
Inability to Urinate Overview. When you cannot empty your bladder completely, or at all, despite an urge to urinate, you have urinary retention. To understand how urinary retention occurs, it is important to understand the basics of how urine is stored in and released from the body.
This means empty your bladder about 2 hrs before the exam time, then drink 32 oz of water over the next hour. Do not empty your bladder until the ultrasound technologist tells you. 4. Start earlier if you think you will be unable to drink the full amount.