Bad Breath (Halitosis) Topic Guide
Bad Breath (Halitosis): Bad breath (halitosis) can be caused by a variety of things including diet, medication, poor oral hygiene, and diseases or conditions such as diabetes, GERD, lactose intolerance, gum disease, and more. Treatment for bad breath depends on the cause.
Periodontal Disease (Gum Disease) Periodontal disease is an infection of the tissues that support the teeth. Teeth are supported by the gums, or gingiva. A tooth's root is anchored to its socket by fibers called periodontal ligaments.