What do you suggest for bad breath issue someone advice something?

Brush. floss: Brush your teeth and gums, also your tongue. Rinsing with Fluoride is also a great help. Mouthwashes are ok in limited quantities. You may need to have your general health checked for diabetes, this can cause a specific breath issue due to ketones being present. They have a particular smell about them.

Halitosis: Bad breath can be caused by many different factors, including sinus infections, periodontal problems, smoking, cavities, acid reflux, and your diet. Address all of these possibilities with your dentist and physician, and I'm confident that your problem will at least be minimized, and hopefully eradicated.