Fluconazole belongs to a class of drugs called triazole antifungals. A class of drugs is a group of medications that work in a similar way. These drugs are often used to treat similar conditions. Fluconazole works by blocking the ability of the fungi Candida and Cryptococcus to reproduce. For people with infections from these fungi, this drug helps to get rid of the infection. For people at higher risk of candidiasis, it helps to prevent infection. The more common side effects of fluconazole oral tablet depend on how much of the drug you need to take.
These side effects can include:. If these effects are mild, they may go away within a few days or a couple of weeks. Call your doctor right away if you have serious side effects. Serious side effects and their symptoms can include the following:.
Disclaimer: Our goal is to provide you with the most relevant and current information. However, because drugs affect each person differently, we cannot guarantee that this list includes all possible dosages. This information is not a substitute for medical advice. Always speak with your doctor or pharmacist about dosages that are right for you.
Fluconazole oral tablet can interact with other medications, vitamins , or herbs you may be taking. An interaction is when a substance changes the way a drug works. This can be harmful or prevent the drug from working well.
To help avoid interactions, your doctor should manage all of your medications carefully. There are certain drugs that you should not use with fluconazole. When used with fluconazole, these drugs can cause dangerous effects in your body. Examples of these drugs include:. Taking fluconazole with certain drugs raises your risk of side effects from those drugs. However, because drugs interact differently in each person, we cannot guarantee that this information includes all possible interactions.
Always speak with your healthcare professional about possible interactions with all prescription drugs, vitamins, herbs and supplements, and over-the-counter drugs that you are taking. If you have an allergic reaction, call your doctor or local poison control center right away.
If your symptoms are severe, call or go to the nearest emergency room. Taking it again could be fatal cause death. For people with kidney disease: If you have kidney disease or a history of kidney disease, your kidneys may not be able to remove this drug from your body like they should.
This may increase the levels of fluconazole in your body and cause more side effects. This drug may also make existing kidney disease worse. People with liver problems: Fluconazole can cause liver problems. If you already have liver problems, talk with your healthcare professional before taking this drug. People with high blood sugar levels: The oral suspension form of this drug contains sucrose, a kind of sugar.
Talk with your doctor before using this drug if you have high blood sugar levels or a condition, such as diabetes , which can cause high blood sugar levels.
People with abnormal heart rhythms: Using fluconazole can affect your heart rhythm. If you already have an abnormal heart rhythm, taking fluconazole may lead to dangerous heart rhythm problems. Your doctor will monitor you for a rash and peeling skin. Pregnant women: Research in humans has shown adverse effects to the fetus when the mother takes this drug in doses of mg or higher.
In lower doses, research in animals has shown adverse effects. However, elderly patients are more likely to have age-related kidney problems, which may require an adjustment in the dose for patients receiving fluconazole.
There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding. Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur.
In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using this medicine with any of the following medicines is not recommended. Your doctor may decide not to treat you with this medication or change some of the other medicines you take. Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases.
If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines. Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you.
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur.
Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco. The presence of other medical problems may affect the use of this medicine.
Make sure you tell your doctor if you have any other medical problems, especially:. Take this medicine exactly as directed by your doctor. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered.
To do so may increase the chance of side effects. This medicine should come with a patient information leaflet. Read and follow these instructions carefully. Ask your doctor if you have any questions. Keep using this medicine for the full treatment time, even if you feel better after the first few doses. Your infection may not clear up if you stop using the medicine too soon. Shake the oral liquid well before each use. Measure the medicine with a marked measuring spoon, oral syringe, or medicine cup.
The average household teaspoon may not hold the right amount of liquid. The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so. Do not let anyone else use your medication. Ask your pharmacist if you have questions about refilling your prescription.
If you still have symptoms of infection after you finish taking the fluconazole, call your doctor. It is important for you to keep a written list of all of the prescription and nonprescription over-the-counter medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements.
You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies. Fluconazole pronounced as floo kon' na zole. Why is this medication prescribed? How should this medicine be used? Other uses for this medicine What special precautions should I follow?
What special dietary instructions should I follow? What should I do if I forget a dose? What side effects can this medication cause? What should I know about storage and disposal of this medication? Brand names. Shake the liquid well before each use to mix the medication evenly. Ask your pharmacist or doctor for a copy of the manufacturer's information for the patient. Other uses for this medicine. What special precautions should I follow? Before taking fluconazole, tell your doctor and pharmacist if you are allergic to fluconazole, other antifungal medications such as itraconazole Sporanox , ketoconazole Nizoral , posaconazole Noxafil , or voriconazole Vfend , any other medications, or any of the ingredients in fluconazole tablets or suspension.
Ask your pharmacist for a list of the ingredients. Your doctor will probably tell you not to take fluconazole if you are taking any of these medications. Also you should tell your doctor you have taken fluconazole before starting to take any new medications within 7 days of receiving fluconazole. Your doctor may need to change the doses of your medications or monitor you carefully for side effects. Many other medications may also interact with fluconazole, so be sure to tell your doctor about all the medications you are taking, even those that do not appear on this list.
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