How to Combat Common Winter Mouth Issues

January 2, 2026

Man putting on chapstick.

Winter can be tough on more than just your skin; it can also take a toll on your oral health. Cold temperatures, dry air, and seasonal habits can contribute to a variety of mouth-related issues. The good news is that with a few proactive steps, you can keep your mouth healthy and comfortable all winter long.

Dry Mouth and Dehydration

One of the most common winter mouth issues is dry mouth. Cold weather and indoor heating systems reduce humidity, which can decrease saliva production. Saliva plays an important role in washing away bacteria and protecting your teeth from decay.

To combat dry mouth, drink plenty of water throughout the day, even if you don’t feel thirsty. Using a humidifier at home can also help add moisture back into the air. Sugar-free gum or lozenges can stimulate saliva flow and provide temporary relief.

Increased Tooth Sensitivity

Winter air and cold beverages can trigger tooth sensitivity, especially if you already have worn enamel or gum recession. Sudden exposure to cold temperatures can cause sharp discomfort in sensitive teeth.

Using a toothpaste designed for sensitive teeth can help strengthen enamel and reduce pain over time. Avoid brushing too hard, as aggressive brushing can worsen sensitivity. If sensitivity persists, it’s a good idea to see your dentist to rule out cavities or cracks.

Chapped Lips and Mouth Corners

Dry, windy winter conditions often lead to cracked lips and soreness at the corners of the mouth. While this may seem minor, cracked skin can become painful or infected if left untreated.

Apply a moisturizing lip balm frequently, especially before going outside. Choose products with protective ingredients like beeswax or petroleum jelly, and avoid licking your lips, which can make dryness worse.

Seasonal Illness and Oral Health

Colds and flu are more common in winter, and medications like decongestants can dry out your mouth. In addition, coughing and mouth breathing can irritate oral tissues and increase dryness.

Rinse your mouth with water after taking cough syrups or lozenges that contain sugar. Replace your toothbrush after you’ve been sick to avoid reintroducing bacteria, and maintain good oral hygiene even when you’re not feeling your best.

Jaw Pain and Teeth Grinding

Stress during the winter months and holiday season can lead to increased teeth grinding or clenching, which may cause jaw pain, headaches, or worn teeth.

If you notice jaw soreness or morning headaches, talk to your dentist about a custom nightguard. Gentle jaw stretches and stress management techniques can also help reduce tension.

Winter mouth issues are common but manageable. Staying hydrated, protecting your lips and teeth, maintaining good oral hygiene, and addressing symptoms early can help keep your smile healthy and comfortable all season long.

About the Practice

Has it been 6 months or longer since your last dental checkup? How about turning to our team at Gentle Dentistry Sparta for preventive care that’ll build the foundation of a beautiful, healthy smile? We’re happy to treat adults and children alike in a relaxing, spa-like atmosphere with therapeutic dental treatments. When it comes to costs, we have flexible payment options to make high-quality care affordable. Book your appointment online or call (973) 729-9044.