what can you drink day before colonoscopy
Examples of clear liquids that are OK to drink during your colonoscopy preparation include: 1  Water. 2  Tea. 3  Coffee, but no creamer, milk, or other dairy or non-dairy milk substitutes.  Ginger 1  ale. Apple juice.  White grape 1  juice. Plain, clear soup 2  broth. Seltzer or sparkling  water.