1. Diflucan (fluconazole) is a triazole antifungal that works by reducing the multiplication of fungi in your physical body consequently aiding it to obtain rid of the infection. Disliking the energetic or less active components this medication contains is a contraindication for taking Diflucan. Your healthcare company will most likely suggest you an alternate therapy procedure. If you take this drug anyway you might develop extreme allergies such as problem breathing, breakout, hives and swelling. Some of the most often mentioned negative side effects you are most likely to experience when your therapy just begins (as a result of the physical body readjusting to the quantity prescribed) feature heartburn, diarrhea, headache, tummy pain, and dizziness. These are the few side effects that are generally moderate and vanish soon.