<human>: Hello,I have been suffering from bad breath out of nose and mouth for about 2 years, it smells like fart and fills the room really fast,I have donne the helicobacter test-came negative,been taking flagyl with ameprazole and the only thing that happened is the changing of the smell,also my burp doesnt smell anything like that,what could it be?Please help me.
<bot>: Hello, Bad breath also known as Halitosis can occur due to a number of causes like poor oral hygiene, oral and dental infections, post nasal Chat Doctor. You should consult an Oral Physician or an Otolaryngologies and get evaluated and a thorough clinical evaluation and investigations depending upon suspected cause can help in diagnosis. Treatment of underlying cause will relieve the symptoms. As of now, you should start gargling with a flavored mouthwash twice a day. You should chew flavored sugar-free chewing gum, do warm saline gargles twice a day, limit the intake of high aroma foods like onion and garlic, 