In Turkish language pharmacy is Eczane - sound like ECHZANE.
It is easy to find a pharmacy (Eczane) in Istanbul. Pharmacies are usually open from 09:00 - 19:00 on weekdays and Saturdays. They are closed on Sundays but there is always one, open 24 hours in each neighborhood. Every pharmacy will have a display in its window (which is posted each evening, on Sunday, and on statutory and religious holidays) listing the name and location of the open pharmacy, or Nobetci Eczane (Pharmacy on Duty).
Such a system ensures that during crucial moments you will always be able to find one open pharmacy in your neighborhood.
Pharmacists are allowed to diagnose illnesses and provide over-the-counter medicine as well as medicines on prescription.
They generally speak English in urban and tourist areas.