How Do Dry Mouth Lozenges Work?


Whether you have nerves before a first date or a moment of anxiety during a big presentation, a dry mouth is common when you're feeling a little stressed. But what might start as an occasional annoyance can become a problem if it happens chronically. Dry mouth can lead to dental issues, but techniques like the use of dry mouth lozenges can help you manage the condition and keep your mouth healthy.

Why You Should Address Your Dry Mouth

It might seem like a minor annoyance, but dry mouth may result in tooth decay and tooth demineralization. When there isn't enough saliva in your mouth, it's hard to wash away food particles from your teeth, notes the American Society of Clinical Oncology. When food particles aren't washed away, the acids they produce eat away at the outermost layer of the teeth called the enamel. Enamel that is damaged may not be able to withstand future acid attacks, thus allowing tooth decay to develop and cause a cavity.

A very dry mouth may also affect your ability to eat and talk comfortably. The Canadian Cancer Society explains that not only does saliva help with swallowing and speaking, but it contains an enzyme called amylase that helps break down your food, making it easier for your stomach to digest.

If that telltale dry, sandpapery sensation is cropping up more than just occasionally, your dry mouth could be a side effect of a health condition or medication. Chemotherapy, certain medications, diabetes, autoimmune diseases and oral infections can all be associated with dry mouth, according to the Mayo Clinic.


How Do Dry Mouth Lozenges Work?

While sipping water can help you temporarily moisten a dry mouth, your best bet is to stimulate saliva production so that your saliva can do its job in protecting your teeth and oral health. MedicineNet recommends using sugar-free salivary stimulants that dissolve in your mouth, including dry mouth lozenges. Try to find products that contain a sugar substitute called xylitol.According to a study published in Clinical, Cosmetic and Investigational Dentistry, xylitol stimulates saliva flow and can help with cavity prevention.

Xylitol is often a key ingredient in lozenges meant to relieve dry mouth. Lozenges may also contain flavoring agents and food dyes for coloring. To follow the AAOM's recommendation, always make sure that the lozenges you choose are labeled as sugar-free.

In addition to xylitol, other properties of lozenges may help stimulate saliva flow. A study in the journal Dry Mouth discovered that taste stimulation and the act of chewing (also referred to as mastication) also work to increase saliva production. So, because lozenges have a prolonged flavor and you have to use your chewing muscles to suck on them, they may boost saliva flow.

Other Options for Dry Mouth Relief

Dry mouth lozenges aren't your only choice for relieving dry mouth. The Cleveland Clinic recommends a few other coping techniques, including:

  • Drinking water frequently
  • Sucking on ice chips
  • Chewing sugar-free gum that contains xylitol
  • Avoiding salty, dry and sugary foods and drinks
  • Limiting alcoholic beverages and caffeine intake
  • Quitting smoking
  • Maintaining good oral hygiene habits

Talk to your doctor or dentist about what might be causing your dry mouth. Isolating the cause can help you choose the long-term treatment method that's right for you. In the meantime, dry mouth lozenges may provide relief.

This article is intended to promote understanding of and knowledge about general oral health topics. It is not intended to be a substitute for professional advice, diagnosis or treatment. Always seek the advice of your dentist or other qualified healthcare provider with any questions you may have regarding a medical condition or treatment.

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Dry Mouth


Known by its medical term, xerostomia (zeer-oh-stoh-mee-ah), dry mouth is when you do not have enough saliva to keep your mouth wet and moisturized.


Dry mouth can occur when the glands in the mouth that make saliva are not working properly. Some common causes include:

  • Stress
  • Certain medications
  • Cancer therapy (radiation/chemotherapy)
  • Autoimmune disorders such as Sjogren’s syndrome
  • Smoking

Related Conditions

Dry mouth got you feeling parched?

Dry mouth can leave your mouth feeling dry and irritated. Try one of our toothpastes formulated to help prevent the occurrence of dry mouth symptoms after brushing.