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Yes, small sips of plain water are often allowed before a liver ultrasound, but follow your own clinic’s instructions.

Yes, you can usually drink plain water before a fasting lab, unless your clinic gives different instructions.

Yes, you can usually drink plain water before a fasting glucose test, but follow the fasting instructions from your lab or clinician.

Yes, you can drink plain water before fasting blood work unless your doctor or lab gives different instructions.

Yes, you can usually drink plain water before a fasting blood test, but follow the instructions for your specific test and health situation.

Yes, you can usually drink small sips of plain water before a fasting blood draw, unless your doctor or lab gives different instructions.

Yes, many CT scans with contrast allow small amounts of water before the test, but follow the fasting instructions from your own scan centre.

Yes, most CT scans allow plain water before the test, but fasting rules vary, so follow the exact instructions from your radiology team.

Yes, most colonoscopy prep plans let you drink plain water until a few hours before the test, but timing depends on your doctor’s instructions.

Yes, drinking plain water before a blood test is fine for most people, unless your doctor or lab has given stricter fasting instructions.