Hi..
Welcome to HEALTHCARE MAGIC..
I have gone through your query and can understand your concerns..
As per your complain bad odour from stomach can be due to causes like excessive formation of intestinal gas leading to belching and bloating while at times
acid reflux,
indigestion etc can be a cause..
But in case if you do not have any symptoms and you are perfectly fine there is a possibility that the bad smell is coming from back of throat hat can be due to causes like tonsil stones,
post nasal drip, excess intake of high aroma foods like onion and garlic etc..
I would suggest you to consult an Otolaryngologist and get a thorough clinical evaluation done..
He can also advise you a
laryngoscopy, upper G.I
Endoscopy,
blood test etc to rule out the exact cause of the problem and treat you accordingly..
Treatment of underlying cause will resolve the symptoms too..
As of now you can do steam inhalations with few drops of Eucalyptus oil in boiling water..
You can chew flavoured sugarfree chewing gums.
Gargle with flavoured mouthwash..
Avoid excess of onion and garlic..
Drink plenty of water..
Take more of green leafy vegetables and fresh fruits in diet..
Maintain a good
oral hygiene..
Hope this information helps..
Thanks and regards.
Dr.Honey Nandwani Arora.