What Daktarin Spray Powder 0.16% w/w does: The Daktarin Spray Powder contains miconazole nitrate which is an effective treatment for fungal infections. The spray powder is most commonly used to treat infections occuring on the feet. Using Daktarin Spray Powder 0.16% w/w: For external use only. Clean and thoroughly dry the area to be treated. Shake the bottle well before applying. Apply this medication to the affected skin, length of treatment depends on the type of infection being treated. Feet Althletes foot Some types of fungal nail infection Daktarin Spray Powder 0.16% w/w relieves the following symptoms: Itchiness Irritation Soreness Unpleasent foot odour