If want to remove food that’s stuck in your teeth after a meal, try using a flavored toothpick to remove it and get better breath. [4] X Expert Source Ritu Thakur, MANatural Health Care Professional Expert Interview. 25 July 2019.

Fluoride mouth rinses kill bacteria, and the fluoride helps to prevent tooth decay. Gargling with hydrogen peroxide kills mouth bacteria that can cause bad breath. Avoid mouthwashes with alcohol. They dry out your mouth, which may worsen the problem of bad breath.

Apples — Apples contain vitamin C, which is necessary for health gums, as well as malic acid, which helps to whiten teeth. [10] X Research source Carrots — Carrots are rich in vitamin A, which strengthens tooth enamel. [11] X Research source Celery — Chewing celery produces a lot of saliva, which helps to neutralize bacteria that cause bad breath. [12] X Research source Pineapples — Pineapples contain bromelain, an enzyme that cleans the mouth. [13] X Research source

Drink lots of water to dilute the ketones. Chew sugarless gum or suck on sugarless mints. Chew mint leaves. [18] X Expert Source Ritu Thakur, MANatural Health Care Professional Expert Interview. 25 July 2019.

See your doctor. You may need an antibiotic to cure a sinus infection. [19] X Research source Use over-the-counter medication to dry up your sinuses and prevent mucus buildup. Try a saline spray to thin mucus and make it easier to expel. Try a sinus irrigator to rinse out your sinuses. [20] X Research source

Betel. Chloral hydrate. Nitrites and nitrates. Dimethyl sulfoxide. Disulfiram. Some chemotherapy medicines. Phenothiazines. Amphetamines.

Other herbs you can try include cinnamon and basil. [26] X Expert Source Ritu Thakur, MANatural Health Care Professional Expert Interview. 25 July 2019.