well it depends on what type of antibitic you need
It will not cost much. Doctor will prescribe you ofloxacin probably. Or he may give you trimethoprim or some broad spectrum antibiotic like ciprofloxacin. Ciprofloxacin will cost you little higher. But ofloxacin and trimethoprim are cheaper. Around, 5-6 dollars per 10 tablets.
It also depends on your country.
It also depends on your country.