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 Where can i get an ultrasound in London without doctors referral? 25/01/2022 Can you see cirrhosis on an ultrasound? 25/01/2022 Will an abdominal Ultrasound show ovaries? 25/01/2022