Why do my Teeth Hurt when I'm Sick?

Have you ever noticed that along with the sniffles, fever, and sore throat, being sick sometimes also brings along an unexpected guest—dental pain? It's not just your imagination; there's a real connection between your overall health and the health of your teeth and gums. Understanding why this happens can not only help ease your discomfort but also guide you in taking the right steps towards relief.

A woman with braces on her teeth is holding her face in pain.

Understanding the Connection Between Illness and Dental Pain

What Happens to Your Body When You Get Sick?

When you fall ill, your body mounts an immune response that includes inflammation and the production of mucus. This can lead to various symptoms, such as nasal congestion, headaches, and sometimes, surprisingly, tooth pain.

Why Teeth May Hurt During an Illness

The most common reason your teeth might hurt when you're sick is due to sinus pressure. The sinuses are located just above the upper jaw. When they become inflamed or congested, the pressure can translate into dental pain, especially in the upper teeth. Additionally, illnesses often lead to dehydration, which can cause dry mouth. Without adequate saliva to protect your mouth, the increased bacterial growth can lead to tooth decay or worsen existing dental issues.

Specific Illnesses and Their Impact on Dental Health

The Common Cold and Dental Pain

A cold can cause significant sinus congestion. As pressure builds in your sinuses, it can push down on the roots of your upper teeth, leading to discomfort and pain that might mimic a toothache.

Flu and Oral Discomfort

The flu can wreak havoc on your body's hydration levels, contributing to a dry mouth. Saliva is essential for washing away food particles and neutralizing acids produced by mouth bacteria. Without it, you're at a higher risk for cavities, gum disease, and discomfort.

Other Infections

Other infections, like ear infections or sinusitis, can also indirectly lead to tooth pain. The nerves in your teeth are interconnected with other facial and cranial nerves, and pain from one area can be perceived in another.

Managing and Preventing Dental Pain When Sick

Home Remedies to Alleviate Tooth Pain

To relieve sinus pressure, try using a humidifier in your room or applying warm compresses to your face. Staying well-hydrated is crucial for maintaining saliva production and keeping your mouth healthy.

When to See a Dentist or Doctor

If your tooth pain persists even after your other symptoms have started to improve, it might be time to consult with a dentist. Persistent or severe pain may not be related to your illness and could be a sign of underlying dental issues.

Long-Term Dental Health and Preventative Measures

Maintaining Oral Hygiene During Illness

It can be tough to keep up with your oral hygiene routine when you're feeling under the weather, but it's crucial. Continue brushing at least twice a day and flossing daily to prevent bacteria from taking advantage of your weakened state.

Preventative Measures to Avoid Dental Complications

Regular dental check-ups are essential. Additionally, taking steps to boost your overall health, like getting the flu vaccine and ensuring you're well-nourished, can help you avoid illnesses that might lead to dental pain.

Why Addressing Dental Pain is Important

Understanding the link between dental pain and your overall health during sickness can help you manage symptoms better and avoid potential complications. If you're experiencing dental pain while sick, don't hesitate to reach out.


If you're struggling with persistent or severe dental pain, especially when sick, the team here at Sweet Tooth Dental are here to help. Contact us today, and let us take care of your dental health so you can focus on getting better.

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