Dosage & Administration Oral? Voriconazole tablet and powder for suspension are to be taken at least one hour before or one hour following a meal At or over 40 kg body weight: Loading dose regimen is 400 mg or 10 ml every 12 hours (for the first 24 hours) and maintenance dose (after first 24 hours) is 200 mg or 5 ml twice daily. Below 40 Kg body weight: Loading dose regimen is 200 mg or 5 ml every 12 hours (for the first 24 hours) and maintenance dose (after first 24 hours) is 100 mg or 2.5 ml twice daily. Or, as directed by the registered physician. Injection- Invasive Aspergillosisd : Loading dose: 6 mg/kg 12 hourly for the first 24 hours. Maintenance Dose: 4 mg/kg 12 hourly. Candidemia in nonneutropenic patients and other deep tissue Candida infections: Loading dose: 6 mg/kg 12 hourly for the first 24 hours. Maintenance Dose: 3-4 mg/kg 12 hourly. Scedosporiosis and Fusariosis: Loading dose: 6 mg/kg 12 hourly for the first 24 hours. Maintenance Dose: 4 mg/kg 12 hourly. Side Effects The most common side effects are abdominal pain, anaemia, blurred vision, headache, chest pain, nausea and diarrhoea.