Bad breath is not a medical emergency because it’s a condition which can be adequately attend to at home and better results be achieved. This condition is medically known as Halitosis and it results due to a number of reasons one of them being eating an odorous food, dry mouth, smoking gum disease and even sinus condition. Primarily it is perpetuated by bacteria build up at the back of your tongue or even between your teeth.  Therefore, to get rid of it, these bad breath home remedy and natural practices have been established to be very effective in yielding positive results.
Bad breath home remedy & natural cures
It is recommended that you take a table spoonful of fennel seed every morning and slowly chew it. This stimulates production of saliva and it also helps to make your breath fresh. If there is no time to chew it is recommended that you take funnel tea several times in a day to help you achieve this great freshness and to eradicate the bad breath. In preparation of adequate tea for this treatment it is recommended that you steep averagely two teaspoon full of seeds from fennel in a cup of prepared hot water for a maximum of 8 minutes. Use of Fennel as bad breath home remedy is an adequate attention to this condition because it is an excellent refresher of the mouth hence in this case it helps to eliminate bad breath which can cause discomfort in you. In addition to this it is also known to be compost of antimicrobial properties which are significant in fighting mouth bacteria. 
This treatment involves boiling a teaspoonful of cinnamon in a cup of water; this should be compounded with cardamom as well as bay leaves because in this case the results are marvelous. You are then advised to strain the solution formed and use the resultants product to rinse your mouth. This helps to refresh your breath and achieve the great oral health. Cinnamon is integral treatment argent for this condition mainly because it has cinnamic aldehyde. This bad breath home remedy is an important oil that helps in covering up the bad breath it is also well known for its ability to minimize the number of bacteria in your mouth. Therefore using in twice in a day by following the above stipulated steps is a promising practice. 
This is type of tea which is basically effective on treating bad breath caused by catarrhal infections. To effectively use the treatment above you are suppose boil only one teaspoon full of fenugreek seeds in a cup of water. You are then supposed to strain it and drink the prepared cup of tea from this seeds. This bad breath home remedy should be repeated at least once in a day until the problem is solved.
Cloves all along have been established to have freshening capacity due to chemical compounds that it has. This enhances good fragrance hence the reason why it is normally used in air freshening. When using it in this medication you are expected to pop some pieces into your mouth and masticate them properly. The result with this bad breath home remedy is instant, in few minutes all the disgusting bad breath will be gone. In the event that chewing is not convenient to you have the option of making cloves tea. In this case you should prepare a cup of boiled water and add to it one teaspoonful of grounded cloves. Allow it to simmer for a maximum of ten minutes drink the tea or if you like you can use it as mouth wash. Repeat this bad breath home remedy twice on daily basis and see how marvelous the outcome is. Cloves have antibacterial which helps to eliminate bacteria which are normally responsible for the bad breath.
This is a distinct treatment because of its high content in chlorophyll. Chlorophyll is established to be an outstanding bad breath neutralizer. What you should do is simple; chew fresh parsley springs to make your mouth freshen up. Apart from chewing, a better outcome can be achieved if you deep it in vinegar prior to chewing then gives it a thorough chew. This bad breath home remedy can also be put through a juicer to extract the juice then you simply sip the juice any time you wish to freshen up your breath.
Do not underestimate the power of lemon, being an acidic juice lemon juice has the capacity to make environment fatal for the mouth micro-bacteria. In this case it does by causing an acidic condition in the mouth hence reducing capacity of the bacteria to survive in such a acidic condition. It is also having strong pleasant smell which helps to eliminate the bad odor. You are only expected to stir only a table spoonful of lemon juice in a readily prepared cup of water then use it to rinse your mouth. Adding small quantity of salt into it before use has tripling effect in curing bad smell. This bad breath home remedy works by preventing dry mouth which is one of the facilitators of bad breath. 
May be you have never given attention to power in your backing soda, this treatment agent is also known as the bicarbonate soda. It works better due to its basic nature; the basic nature makes it have the ability to keep the acidic condition of that facilitates bad breath in a balanced condition. And it is not only that but it is also effective in fighting bacteria which are known to cause bad breath.
APPLE CIDER VINEGAR
The major cause of oral bad breath is the unbalanced pH which encourages the existence or thriving of micro bacteria which are perpetrators of bad breath. Apple cider vinegar is a good agent in balancing the pH condition of the mouth. What you are supposed to do to achieve this is to have an unfiltered apple cider vinegar and get a table spoonful of it stir this in a glass full of water. Drink this bad breath home remedy before you have your meal. This will help in the digestion process and encourage elimination of bad breath in you. This should be done before every meal if effectiveness is to be achieved.
TEA TREE OIL
The antiseptic properties in tea tree oil are wonderful disinfectants to be used in your mouth; this has numerous relevance in solving the troublesome bad breath. One of the ways is to brush your teeth with toothpaste having tea tree oil as its ingredient or you can add this bad breath home remedy in your toothpaste while brushing. The other instance is using it as a mouth wash. In this case you are expected to mix peppermint oil with tea tree oil and lemon oil in a glass full of water then use this as mouth wash. 
Just like herbs it also has an outstanding ability to cure bad oral breath. The reason behind this is because it has antioxidant polyphonol, this has the impact of deterring further growth of bacteria in your mouth hence protecting you and curing development of bad breath. This does not matter the type of tea because the component is present in both the green and black tea. Making this practice a routine is important because it aids in relief from bad breath. This bad breath home remedy helps to give you a fresh breath and protect you from conditions of bad breath. 
 Rosenberg, Mel. “Clinical assessment of bad breath: current concepts.” Journal of the American Dental Association (1939) 127.4 (1996): 475-482.
 Lee, P. P., W. Y. Mak, and P. Newsome. “The aetiology and treatment of oral halitosis: an update.” Hong Kong Med J 10.6 (2004): 414-8.
 Rao, Pasupuleti Visweswara, and Siew Hua Gan. “Cinnamon: a multifaceted medicinal plant.” Evidence-Based Complementary and Alternative Medicine 2014 (2014).
 Suarez, F. L., et al. “Morning breath odor: influence of treatments on sulfur gases.” Journal of dental research 79.10 (2000): 1773-1777.
 Groppo, F. C., Ramacciato, J. C., Simoes, R. P., Florio, F. M., & Sartoratto, A. (2002). Antimicrobial activity of garlic, tea tree oil, and chlorhexidine against oral microorganisms. International dental journal, 52(6), 433-437.