Itraconazole is mainly used to treat fungal infections. It belongs to the drug group of azole antifungals. It helps to treat, control, prevent and improve various kinds of fungal infections by stopping the fungal growth in the body. It works by inhibiting the synthesis of ergosterol which is an important component of fungi cell membrane. Other than fungal infections, it can also be used to treat flaky discoloured patches on the chest and the back and to treat infections in the aids patients. It is highly advised to the patients who are suffering from any heart, kidney, liver or lung disease to inform the doctor about the same before being prescribed Itraconazole. Pregnant women or breastfeeding women are advised to avoid the use of it and if necessary, to consult the doctor. This drug should be taken only on the prescription of the doctor. Any use of antacids or acid blockers must be avoided for a minimum of two hours of taking Itraconazole as it may reduce the its efficiency. Since dizziness and blurred vision are one of the common side effects of this drug, it is advised to avoid driving or to engage in any work which involves concentration.