How do you cure halitosis?

Oral Hygiene: The most important first step is good oral hygiene with tooth brushing after any food and flossing. If this doen't do the trick, you may need to see a doctor because sometime tonsils and such can contribute.

Start with: Good dental hygiene. Proper and daily flossing and brushing and use a good mouthwash.

Proper diagnosis/car: Proper diagnosis and care. Halitosis is caused by a myriad of factors, any one of which could be responsible. Here is a short list: periodontal disease, certain medications, diet, dental caries, poor oral hygiene and more. Your best first option is to get your teeth cleaned and have a thorough exam by a dentist. Discuss your concerns and he/she will recommend a proper course of tx for you.