The long-term cause of bad breath tends to be poor dental hygiene, which causes gum disease. If this is the case, your dentist can scale your teeth, suggest a mouth wash, or prescribe antibiotics if you have an infection.

Brush your tongue when brushing your teeth to scrape away bacteria.

Air conditioning in cars, workplace and public buildings make us prone to dehydration, which leads to reduced saliva flow and more concentrated saliva. You need to increase your fluid intake to compensate for this.

Any condition that makes you breathe through your mouth instead of your nose can cause your saliva to dry up, and so lead to bad breath.

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The increase in oestrogen during menstruation also affects mouth odour.

The homeopathic remedy Kali Phos may also help bad breath.

While All4Women endeavours to ensure health articles are based on scientific research, health articles should not be considered as a replacement for professional medical advice. Should you have concerns related to this content, it is advised that you discuss them with your personal healthcare provider.