Start using mouth wash thrice daily...avoid in between foods...and get scaling an polishing done

1. Dental visit ( cleaning n dental check up) bcoz if a lil food collect b/w ur tooth it will decay n cause smell r any decayed tooth also cause smell, u can follow these Eat foods rich in fiber, Drink green and black teas, Avoid drying medication: Try not to take antidepressants, diuretics, pain relievers, and antihistamines unless it is absolutely medically necessary. These drugs inhibit saliva flow and can cause chronic dry mouth. Avoid products with sodium lauryl sulfate or alcohol,stop smoking, Use an oral probiotic like S. salivarius K12 and M18: Use probiotics to balance the oral cavity and prevent an overgrowth of the odor-causing bacteria involved in halitosis.few people have bad breath using diary product. Check once leaving a day without diary product,u can use thera breath a mouth wash .. which will reduce bad breath .. clean ur tongue everyday

The bad breath is caused mostly by bacterial inhabitants in the mouth. Plaque and calculus on the teeth and white coating on tongue harbor more of bacteria resulting in bad breath. Get an ultrasonic scaling and polishing done and make sure u clean your tongue every day. In case the white on the tongue is not scrapable you have to consult the dentist

Start using tongue cleaner and visit near by dentist

The coating on tongue can be due to acidity or digestive issues also. Get a scaling and polishing done and continue to maintain good oral hygiene