we buy Amoxil 500mg 16 tablets - last year cost around 6ytl per course
we have found that a good and reasonably proced chemist (ecksane) is one on the Gunlukbasi Road. If you face Seckin restaurant it is the first one looking to the left of Seckin - about 20-30 metres away from Seckin.
If you write down the english name they check the Turkish name on a computer for you - i do not know if others have the same service but we have certainly found this useful