Certain other drugs can cause unwanted or dangerous effects when used with Diflucan,especially cisapride, erythromycin, pimozide, quinidine, astemizole, higher doses of terfenadine, and many other medications that are broken down by certain enzymes that are inhibited by fluconazole. Tell each of your healthcare providers about all medicines you use now, and any medicine you start or stop using.
Before taking Diflucan, tell your doctor if you have liver disease, kidney disease, a heart rhythm disorder, or a history of Long QT syndrome.
Take this medicine for the full prescribed length of time. Your symptoms may improve before the infection is completely cleared. Skipping doses may also increase your risk of further infection that is resistant to antifungal medication. Fluconazole will not treat a viral infection such as the common cold or flu.
Before taking this medicine
You should not use Diflucan if you are allergic to fluconazole.
Many drugs can interact and cause dangerous effects. Some drugs should not be used together with fluconazole. Your doctor may change your treatment plan if you also use:
cisapride, fentanyl, methadone, pimozide, tofacitinib, tolvaptan, or a vitamin A supplement;
an antibiotic, antifungal, or antiviral medicine;
a blood thinner;
cancer medicine;
cholesterol medication;
oral diabetes medicine;
heart or blood pressure medication;
medicine for malaria or tuberculosis;
medicine to prevent organ transplant rejection;
medicine to treat depression or mental illness;
an NSAID (nonsteroidal anti-inflammatory drug);
seizure medicine; or
steroid medicine.
To make sure Diflucan is safe for you, tell your doctor if you have ever had:
liver disease;
heart problems; or
if you are allergic to other antifungal medicine (such as ketoconazole, itraconazole, miconazole, posaconazole, voriconazole, and others).
The liquid form of Diflucan contains sucrose. Talk to your doctor before using Diflucan oral suspension if you have a problem digesting sugars or milk.
Fluconazole may harm an unborn baby. Use effective birth control to prevent pregnancy while taking this medicine and for at least 1 week after your last dose.
It may not be safe to breastfeed while using this medicine. Ask your doctor about any risk.
