Betaderm 100mg Ointment 20gm is an anti-fungal agent, It kills the fungus by weakening the fungal cell membrane. prescribed for various skin infections and also for vaginal yeast infections.Betaderm Ointment is the best Antifungal tablets ever .reduces the swelling, itching, and redness that can occur in these types of conditions. This medication is a medium-strength corticosteroid.