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Home Patient Info Blog Protecting Your Teeth When You Get the Flu

Protecting Your Teeth When You Get the Flu


Posted on 1/1/2026 by Jerome Riddle DDS Office
Sick woman blowing her nose in a tissueThe flu can really knock you down. While you're focused on battling body aches and fever, it's easy to forget about your teeth. But the flu and its remedies can actually impact your oral health. Let's look at how to protect your teeth and maintain good oral care while you're recovering.

Sugar's Sneaky Appearance


Many over-the-counter cough syrups, throat lozenges, and even some liquid medications contain a lot of sugar. Sugar feeds the bacteria in your mouth, which then produce acids that attack your tooth enamel. This can lead to cavities and other oral health problems.

What to do? Choose sugar-free options whenever possible. If you must take a sugary medicine, rinse your mouth with water afterward. Even better, brush your teeth about 30 minutes after taking the medication to remove the sugary residue.

Dry Mouth Danger


The flu itself, and some medications used to treat it, can cause dry mouth. Saliva is your mouth's natural defense system. It washes away food particles and neutralizes acids. When you have dry mouth, you lack this protection, increasing your risk of tooth decay.

Combat dry mouth by drinking plenty of water throughout the day. Sugar-free gum or lozenges can also stimulate saliva production. If dry mouth persists, talk to your dentist or doctor about other possible solutions.

The Acidity Assault


Vomiting, which can sometimes accompany the flu, is very hard on your teeth. Stomach acid is extremely strong and can erode tooth enamel.

If you vomit, don't brush your teeth immediately. The acid has softened the enamel, and brushing right away can actually cause more damage. Instead, rinse your mouth thoroughly with water or a fluoride rinse. Wait at least 30 minutes before brushing.

Neglect No More


When you're feeling unwell, your regular oral care routine might fall by the wayside. You might skip brushing or flossing because you're too tired or uncomfortable. But it's crucial to maintain good habits, even when you're sick.

Make a conscious effort to brush your teeth twice a day for two minutes each time. Don't forget to floss daily to remove plaque and food particles from between your teeth.

Restoration Dentistry and the Flu


While prioritizing your oral health during the flu is important, it's also important to see your dentist regularly. Maintaining a healthy mouth contributes to overall wellness. If, despite your best efforts, you experience dental problems as a result of the flu or its treatment, your dentist can discuss various options, including restoration dentistry.

Taking these simple steps can help protect your teeth and maintain your oral health while you're recovering from the flu. Remember, a healthy mouth contributes to a healthy body!

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