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 Fasting required for an abdominal ultrasound? 25/01/2022 How much are private abdominal scans? 25/01/2022 What does fatty liver look on ultrasound? 25/01/2022