Why Do My Teeth Hurt When I Have a Cold?


You know the familiar feeling that signals the beginning of a cold, but what you might not realise is how it can affect your dental health. Often, a cold can seem to coincide with toothache, but the two may be related. Your sinuses can become infected during a cold and because they are located just above your upper back teeth, will place pressure on these teeth, causing toothache. Usually, the symptoms of sinusitis will clear up on their own, but if they don’t, you may need to see your doctor for antibiotics.

Having a stuffy nose is no fun, and often it means breathing through your mouth which will automatically dry it out. Nasal decongestants can help you to breathe more easily, but these can reduce saliva flow. Without saliva, your risk of tooth decay and gum disease is higher.

When you have a cold, it’s best to continue using nasal decongestants, but make sure you drink plenty of water. It could be helpful to suck on sugar-free cough lozenges, or you might want to use a humidifier at home. Another thing to try is a saline nasal spray which can significantly reduce the symptoms of sinusitis. Above all, make sure you keep up with your regular brushing and flossing routine.

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