Hi..
Welcome to HEALTHCARE MAGIC..
I have gone through your query and can understand your concerns....
As per your complain as you have problem of sinus draining and
bad breath as well as bitter taste in mouth..
Firstly I would like to advise you about your main problem that is bad breath..
Bad breath can be due to tonsil stones as well as
sinus infection causing
post nasal drip..
Bitter taste can be due to side effects of medicines and can also be due to infection causing post nasal drip..
I would suggest you to consult an Otolaryngologist and get evaluated and in case if Medication is not curing sinus infection then probably surgical
drainage of sinuses can help..
Tonsil stones needs to be removed manually while you can prevent its formation by doing warm saline gargles, gargle with 1:1solution of
hydrogen peroxide and water..
Gargle with water after eating anything..
Limit the intake of dairy..
Drink plenty of water..
You can also gargle with a flavored mouthwash and chew flavored sugar free chewing gum to mask bad breath..
You can also take steam inhalation with few drops of Eucalyptus oil in water to refresh your breath..
Hope this information helps..
Thanks and regards.
Dr.Honey Nandwani Arora..