There are indeed many home remedies that you can try in order to cure your bad breath. Bad breath is caused due to intestinal worms, dental decay, gum diseases, throat infections, and constipation and also due to food that gets stuck between the teeth. All you have to do is chew on a couple of mint leaves through the day and brush your teeth regularly (after every meal, if possible). You can also chew on a clove soon as you're done with a meal, and drink fenugreek tea to cure bad breath once and for all. These measures will help in temporarily or permanently removing bad breath.