Itron 100mg Capsule contains Itraconazole, a broad-spectrum antifungal agent used to treat various fungal infections. Itraconazole belongs to the triazole class of antifungals and works by inhibiting the synthesis of ergosterol, an essential component of fungal cell membranes, thereby disrupting cell membrane integrity and leading to fungal cell death. Itron 100mg is indicated for the treatment of infections such as aspergillosis, blastomycosis, histoplasmosis, onychomycosis, and other systemic and superficial mycoses caused by susceptible fungi. The capsule formulation allows for oral administration, with absorption enhanced when taken with food. Dosage and duration depend on the type and severity of infection, and treatment should be guided by clinical response and microbiological findings. Common side effects may include gastrointestinal disturbances, headache, dizziness, and rash. Itraconazole is metabolized primarily by the liver via the cytochrome P450 system, necessitating caution in patients with hepatic impairment and potential drug interactions with medications metabolized by the same pathway. It is contraindicated in patients with known hypersensitivity to itraconazole or other azole antifungals and should be used cautiously during pregnancy and lactation. Regular monitoring of liver function tests is recommended during prolonged therapy.