<s>[INST] I am suffering from bad breathe. I have done lots of reading on it and I think for me its the back of my throat down to my throat that the source is. I brush often, floss, gargle with non alchol mouth wash, use Dr. Thera Breath toothpaste and oral rinse, use sugar free gums and the problem still exists. I need a prescription medication. I may not be able to get it online but just the name of something that may work and why it may work. [/INST] Thanks for using Chat Doctor. Read your query. Have you got your teeth professionally cleaned by your dentist? Bad breath can be due to a many various etiologies. Since you are maintaining a good oral hygiene, the cause of the bad breath can be other reason which can include Chat Doctor. Bad breath can also be caused by decreased flow of saliva called xerostomia. I would advise you to visit your dentist and have it evaluated. Avoid prolonged use of mouth wash which can also lead to  </s>