Drinking during Davening if thirsty

Drinking during Davening:[1] Once one has begun Baruch Sheamar, it is forbidden to drink until after Shemoneh Esrei [and Tachanun[2]].[3] This prohibition applies even between the paragraphs [i.e. Bein Haperakim]. However, prior to Baruch Sheamar, and after Shemoneh Esrei [and Tachanun], it is permitted to recite a blessing over a […]