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 What happens if you eat and drink before an abdominal ultrasound? 25/01/2022 Does gallbladder sludge show up on ultrasound? 25/01/2022 Will an abdominal Ultrasound show ovaries? 25/01/2022