Q. Can one drink water or coffee at the end of Taanit Esther after Maariv but before hearing the Megila?
A. Horav Shlomo Miller’s Shlit’a opinion is that if one finds it necessary it is permitted.
Rabbi A. Bartfeld as revised by Horav Shlomo Miller, Horav Dovid Pam, Horav Aharon Miller and Horav Chanoch Ehrentreu Shlit’a