Why is my saliva thick and stringy when my tooth hurts?

Have you ever noticed your saliva turn thick or stringy just as a tooth started to hurt? It is an odd combination, and it can have more than one explanation. Thirst, worry, mouth breathing and some medicines can all leave your mouth dry and sticky.¹ A toothache that does not settle is worth having a dental provider look at, whatever is happening with your saliva.

What you'll learn in this article: 

• Why thick saliva and a hurting tooth can show up together, and why the tooth is not always the cause 

• How anxiety, mouth breathing and thirst can dry the mouth and make saliva feel sticky 

• Why a foul taste that does not go away is a reason to get care 

• Which symptoms call for same-day care 

• What your dental provider will look for, and why an exam and X-rays are part of the visit 

If your tooth has been hurting for more than a day or two, schedule an appointment with your nearest dental provider to have it evaluated. 

What can make saliva thick and stringy when a tooth hurts? 

Healthy saliva is mostly water. It flows easily, stays thin and clear and helps rinse bacteria from your teeth throughout the day. Saliva helps wash away food particles and makes bacteria less harmful.¹ Several things can change that, and some of them can happen around the same time as tooth pain.

Why does dental discomfort make the mouth feel dry and sticky? 

Tooth pain can leave you tense and anxious, and anxiety can temporarily dry your mouth. Breathing through your mouth, which is common when a tooth is sore, dries it further. Mayo Clinic lists thick, stringy saliva among the symptoms of dry mouth, which can have many causes.¹ 

Thirst can add to the effect. If you have been drinking less water than usual, the stickiness may feel stronger.¹ 

Symptoms that should not wait 

Thick saliva alone is not a dental emergency. But certain symptoms paired with it can be. 

Seek care the same day if you notice any of the following: 

• A foul or bitter taste in your mouth that does not go away 

• Swelling in your cheek, jaw or under your chin 

• A small pimple-like bump on the gum near the hurting tooth 

• Throbbing that radiates to your jaw, ear or neck 

• Fever or chills 

• Difficulty swallowing or opening your mouth fully 

These signs may point to a tooth infection, such as an abscess, that is spreading beyond the tooth. An abscess generally needs professional treatment, and prompt evaluation can help prevent the problem from worsening.²

When to see your dental provider 

If tooth pain has lasted more than a day or two, whatever is happening with your saliva, a dental provider can examine the tooth and recommend the right next step. 

Your dental provider will use X-rays and a clinical exam to identify the source, determine whether an abscess is present and recommend the appropriate treatment. 

Seek care immediately if you notice any of the following: 

• Fever or chills 

• Visible facial or jaw swelling 

• Difficulty swallowing or breathing 

• Pain spreading beyond the original tooth 

These are signs the infection may be spreading. Early treatment may help reduce the risk of complications. 

Schedule an appointment at your nearest dental office. Same-day appointments may be available. 

Why is my saliva thick and stringy when my tooth hurts? FAQs 

Can thick or stringy saliva be a sign of something other than a tooth problem? 

Yes. Thirst, anxiety and mouth breathing can dry the mouth temporarily, and many medicines, including some available without a prescription, can reduce saliva production.¹ If a tooth is also hurting, have a dental provider evaluate it, whatever is causing the dry mouth.

Will my saliva go back to normal after the tooth is treated? 

It may. If pain, tension or mouth breathing were drying your mouth, those can ease once the tooth is treated. Recovery varies, and if your saliva stays thick or sticky, let your dental provider or doctor know so other causes can be looked at. 

Can I do anything at home to manage the thick saliva while I wait for my appointment? 

Home care cannot treat the cause of tooth pain, but it can help with comfort. Staying well hydrated supports saliva production. Gently rinsing with warm salt water may provide temporary comfort while you wait for professional evaluation. Avoid alcohol-based mouthwashes, which can dry the mouth further. None of these steps replace professional treatment; they are only supportive measures until you visit a dental professional. 

Sources 

¹ Mayo Clinic: “Dry mouth: Symptoms and causes.” https://www.mayoclinic.org/diseases-conditions/dry-mouth/symptoms-causes/syc-20356048 

² American Association of Endodontists: “Abscessed Teeth.” https://www.aae.org/patients/dental-symptoms/abscessed-teeth/