Travocort Cream 15g (Isoconazole Nitrate + Diflucortolone Valerate)Travocort Cream 15g Isoconazole Nitrate 1% + Diflucortolone Valerate 0. 1% Prescription Only Prescription required. Travocort Cream 15g by Martin Dow is a dual action combination cream containing Isoconazole Nitrate 1% (broad spectrum antifungal) and Diflucortolone Valerate 0. 1% (very potent Class II corticosteroid). It treats superficial fungal skin infections complicated by significant inflammation or eczema. Strictly observe treatment duration