Falling Into Cold and Flu Season
November 4th, 2026

There are many reasons why people love autumn in Redlands, CA. Crisp air. Jeweled leaf tones. Reuniting with school friends. Fall sports. Halloween and Thanksgiving.
But there’s one thing about autumn which never appears on anyone’s favorites list: it’s the start of cold and flu season. If you’ve fallen ill, we have some ideas for taking care of yourself—and your dental health—as you recover.
- Stay Hydrated
Proper hydration is vital for healthy skin, temperature, digestion, and other bodily functions. Sweating, fever, diarrhea, and vomiting—common symptoms of colds or flu—cause dehydration.
Dehydration also creates problems for your oral health. Hydration ensures healthy levels of saliva. Saliva helps prevent cavities by washing away bacteria and food particles and neutralizing oral acidity. Saliva bathes the teeth in minerals which keep tooth enamel strong. Hydration also supports healthy bone and connective tissue, which encourages faster orthodontic healing as your teeth move into their ideal positions.
Even if you don’t feel like eating when you’re ill, be sure to drink the liquids you need to stay hydrated. For your dental health, try to avoid overdoing sugary beverages and acidic drinks.
- Eat Healthy Foods
It’s always a good idea to eat nutritious foods, but it’s especially important when you’re not feeling well. Fatty and greasy foods are hard to digest. Processed, sugary, and fast foods filled with empty calories don’t provide the protein and nutrients which can encourage a speedier recovery. And studies suggest that sugar-filled foods can suppress your immune system, the network of cells and organs working together to prevent and fight infection.
A diet rich in proteins, vitamins, and minerals will help you recover when you feel up to regular meals again. Foods which contain nutrients like calcium, phosphorus, and vitamin D are necessary for healthy teeth. Vitamins A and C are essential for gum health and bone density, which is especially important while you’re in orthodontic treatment.
- Minimize Exposure to Germs—For Yourself and Others!
To help prevent catching colds and flu, be mindful that viruses and bacteria can live for hours and even days on non-porous surfaces like phones, keyboards, and doorknobs. Washing your hands with soap and water before touching your mouth, nose, or eyes, before brushing and flossing, and before you cook and eat will help you eliminate most of the germs which cause colds and flu.
If you do catch something, be mindful of your interactions with others. You can help stop the spread of germs by limiting contact with other people, masking, and covering your mouth and nose when you sneeze or cough.
Protect yourself and those around you by being careful with dental hygiene. Never share your toothbrush with others. Don’t let toothbrushes touch in a common container. Always let your toothbrush air-dry since germs prefer moist environments.
And, while it’s unlikely that you’ll re-catch a cold from your toothbrush, brushes are only at their best for three to four months. If yours is past its prime, post-illness is a perfect time to replace your old brush with a clean new one.
- Be Choosy with OTC Medicine
Many cough syrups and cough drops are filled with sugar. Consider sugar-free syrups, or, if you use cough or cold medications which include sugar, rinse or brush afterward.
Look for sugar-free cough drops, which won’t bathe your enamel in sugar as they dissolve. And never crunch down on cough drops. A chipped tooth, cracked enamel, a broken bracket, or a warped wire certainly won’t make you feel better!
- Keep Up with Your Brushing and Flossing
Even when you feel weak and tired, it’s important to brush and floss as usual—with one exception.
Vomiting brings up harsh stomach acids which weaken the mineral bonds keeping tooth enamel strong. Brushing right away can spread these acids around your mouth and your enamel. If you vomit, rinse your mouth with water and wait 30 minutes before brushing to allow your enamel to come back to full strength.
- Stay Home When You’re Sick
You’ll get better faster when you take care of yourself, which includes getting the rest you need to recover. And beyond doing something for your own health, you won’t be risking the health of the people around you.
If you have an appointment scheduled with Dr. Byron Diehl, reschedule as necessary. Your orthodontic team at Diehl Orthodontics will be happy to accommodate you to prevent the spread of colds and flu and to make your appointment a more comfortable one.
Don’t let cold and flu season ruin one of the most beautiful times of the year! Follow your doctor’s advice, take good care of yourself when you’re ill, and visit Dr. Byron Diehl again once you’re feeling better to keep your treatment on track.



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