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.
Upper Respiratory Infection An upper respiratory tract infection is generally caused by a virus and treatment is directed at managing the symptoms of the infection. Viral infections are not responsive to antibiotics. The most common upper respiratory tract infection is the common cold. Upper respiratory infections are contagious thus prevention measures such as frequent hand washing and avoiding other that are ill are the most effective.
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