Cool How Quickly Does Diflucan Work For Oral Thrush Ideas. How fast fluconazole works depends on what you’re treating. You need a prescription to get diflucan or its generic equivalent, fluconazole.

Side effects include headache, nausea, abdominal pain,. Shake the oral suspension (liquid) before you measure a dose. Your prescribed dose will depend on the specific infection you have and how your body responds to fluconazole.