This page contains brief details about the drug , it's indication, dosage & administaration, mechanism of action, related brands with strength, warnings and common side effects.

Background and Date of Approval

Itraconazole received its initial approval from the U.S. Food and Drug Administration (FDA) on June 30, 1992.

Mechanism of Action of undefined

Itraconazole exerts its therapeutic effects by inhibiting the synthesis of ergosterol, a vital component of the fungal cell membrane. This disruption weakens the membrane's integrity, leading to the leakage of essential cellular components and ultimately inhibiting fungal growth and replication. As a result, this medicine effectively treats various fungal infections, including superficial and systemic mycoses caused by susceptible fungi, relieving symptoms and promoting recovery in affected individuals.

Uses of undefined

Itraconazole treats various fungal infections, including those affecting the skin, nails, and mucous membranes. It is also effective against certain systemic fungal infections caused by susceptible organisms. Additionally, this medication is commonly prescribed for onychomycosis, a fungal nail infection.

undefined Drug administaration and Dosage available

Itraconazole is available in oral capsules. Your healthcare provider will determine the dosage of this medication based on your medical condition, and it is crucial to adhere to their prescribed form and dosage for safe and effective treatment.

Warnings, Precautions and Side Effects of undefined


Itraconazole use requires caution, especially in individuals with liver conditions, as it may cause toxicity. The medication is contraindicated in patients with known hypersensitivity to Itraconazole or its components. It should not be used during pregnancy and is generally not recommended during breastfeeding. Tendon disorders have been reported. Elderly patients may be more susceptible to certain side effects,


Regular liver function monitoring is essential during treatment.  Itraconazole may interact with various medications, so inform your healthcare provider about all drugs you are taking to avoid potential interactions. Patients with a history of heart rhythm disorders should be closely monitored, as this medication may prolong the QT interval. Elderly people require close monitoring and potential dosage adjustments. Always communicate concerns with your healthcare provider to ensure safe and effective use of Itraconazole.

Side Effects

Common side effects may include gastrointestinal disturbances like nausea and stomach pain, headaches, dizziness, and skin rashes. In some cases, individuals may experience muscle or joint pain, changes in taste sensation (dysgeusia), and fatigue. Serious side effects can include liver toxicity and rare allergic reactions that may lead to difficulty breathing or swelling of the face, lips, tongue, or throat. Seek medical attention immediately if any severe or unusual side effects occur.

Word Of Advice

Regular monitoring of liver function is crucial, particularly in individuals with pre-existing liver conditions or a history of liver disease, as the medication can cause liver toxicity. If you experience any signs of an allergic reaction, such as difficulty breathing or swelling, seek immediate medical attention. Additionally, Itraconazole may prolong the QT interval, leading to irregular heart rhythms, so patients with a history of heart rhythm disorders require close monitoring. For pregnant or breastfeeding individuals, it is essential to consult a healthcare provider before using this medication due to potential risks. Close monitoring is required in pediatrics and geriatrics. By adhering to these precautions and communicating any concerns with your healthcare provider, you can ensure a safe and successful treatment experience with this medication.

Frequently Asked Question


  1. KD Tripathi, Antifungal Drugs, Essentials of Medical Pharmacology, 8th Edition, 2019, 838-848.
  2. Harry W. Lampiris, Daniel S. Maddix, Antifungal Agents, Lange’s Basic and Clinical Pharmacology, 14th Edition, 2018, 853-862.
  3. S.H. Ibbotson, R.S. Dawe, Skin Disease, Davidson’s Principles and Practice of Medicine, 22nd Edition, 2014, 1249-1305.
  4. Sanico N.V., FDA (Food and Drug Safety Administration)  [Revised on April 2001] [Accessed on 26th Jul 2023],


The drug information on this page is not a substitute for medical advice, it is meant for educational purposes only. For further details, consult your doctor about your medical condition to know if you can receive this treatment.