Bad breath is also associated with sinus infections because nasal discharge from your sinuses into the back of your throat can cause mouth odor. A child with bad breath may have a foreign object lodged in his or her nose. A bean or small item stuck in the nose can cause persistent nasal discharge and a foul odor. Strep throat, tonsillitis and mononucleosis can cause bad breath until the throat infection clears. Bronchitis and other upper respiratory infections in which you cough up odorous sputum are other sources of bad breath. Canker sores may be related to bad breath, especially if they accompany periodontal disease.

Unripe guava is useful in halitosis. It is rich in tannic, malic, oxalic, and phosphoric acids as well as calcium, oxalate, and manganese. Chewing it is an excellent tonic for the teeth and gums. It helps cure bleeding from gums and stops bad breath. Chewing tender leaves of guava tree also stops bleeding from gums and bad breath.

Among the several home remedies for halitosis, the use of fenugreek has proved most effective. A tea made from the seeds of this vegetable should be taken regularly for correcting the condition. This tea is prepared by putting one teaspoon of seeds in half a litre of cold water and allowing it to simmer for fifteen minutes over a low flame. It should then be strained and used as tea.

Put a 1 or 2 cloves in your mouth. You can chew it or simply leave. Don't worry if you swollow it it is harmless.

Rinse out mouth with H2O2 ( Hydrogen Peroxide) about30 seconds before brushing your teeth.

First rinse your mouth with listerene to break upparticles. Use a big tongue cleaner to get all of the gook off your tongue,you can buy it from Target. Brush your teeth. Use tongue cleaner again.Rinse with listerine. The tongue cleaner looks like an eye drop. Itcanot be any tongue cleaner. The bad breath is in your tongue.

Mix one part water with one part peroxide. You can find peroxide in every pharmacyAdd a pinch of salt and a pinch of baking soda so that it is not very salty but you can still taste the salt.This is your mouth wash. You can add some essential oil or peppermint for taste but it is not neccessary Scrape your tounge with the tongue scraper or brush it with a tooth brush. Don't brush too hard!!Then swish and gargle with the mouthwash you made above for a couple of minutes.Repeat twice per day or as needed. You will never have to buy mouthwash again.

Use a tongue scraper, which helps to remove dead cells, food particles and bacteria from the tongue. A tongue scaper is a special plastic instrument found in drug stores and some health food stores, that costs several dollars. In Ayurveda a thick coating on the tongue is called "ama" and is thought to be caused by improper or incomplete digestion. Tongue cleaning with a scaper is recommended as a daily regimen to remove ama. The key is to do it gently and to rinse your mouth thoroughly afterward. If you can't find a tongue scraper, use a toothbrush to clean your tongue.