The invention relates to methods of treating a fungal infection in a subject in need thereof comprising administering to the subject a therapeutically effective amount of a composition comprising one or more antifungal peptides selected from the group consisting of BmKn2, dBmKn2, Kn2-7, and dKn2-7. Antifungal pharmaceutical compositions and dosage forms, including field-deployable dosage forms, comprising one or more of these antifungal peptides are also contemplated herein.