Can I drink Water before an Abdominal Ultrasound? If you are having an abdominal scan, you are allowed to have clear fluids such as water and black coffee. You Might Also Like Is it easy to book an abdominal ultrasound appointment? 25/01/2022 Will an abdominal Ultrasound show ovaries? 25/01/2022 What does fatty liver look on ultrasound? 25/01/2022