Diflucan (fluconazole) is an antifungal antibiotic prescribed for patients with some types of fungal infections that can affect different parts of the body. If you have a history of an allergic reaction to this medicine or any other drugs of similar action (econazole, miconazole, sulconazole, voriconazole, sertaconazole, terconazole, tioconazole, or clotrimazole, taking Diflucan is not recommended. It's important to tell your health care provider about any medical conditions that may affect the success of your treatment, such as kidney disease, heart rhythm disorder, or liver disease. You may need a dose adjustment. The effects of Diflucan on babies have not bee properly studies yet, so it's not known how it may affect the health of an unborn baby. Always make sure you talk to your doctor in advance if you are pregnant or breastfeeding. Your doctor is supposed to be aware of any medications you are using at the moment, especially any of the following ones: rifabutin, cyclosporine, seizure medications, sedatives, blood thinners, oral diabetes medicines, or theophylline. Make sure you tell your doctor if you are taking or are planning on taking any of the drugs mentioned for your treatment to go smoothly without interactions.