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Sertraline · Teeth grinding

Sertraline and teeth grinding

Quick answer

Yes, sertraline and other SSRIs can cause or worsen teeth grinding. The link is well documented but tends to be less severe than with stimulants like Adderall. Patients often notice morning jaw soreness or chipped teeth a few weeks to months after starting the medication. The grinding usually does not require stopping sertraline; a night guard, hydration for dry mouth, and sometimes a small dose adjustment are the typical levers.

The mechanism
Why SSRIs can cause teeth grinding

Sertraline works by increasing serotonin signaling. Serotonin also plays a role in how the brain controls jaw muscles, particularly the motor pathways involved in chewing and clenching. Increasing serotonin appears to disinhibit some of these pathways in a subset of patients, leading to involuntary clenching or grinding.

The grinding pattern from SSRIs is often nocturnal and goes unnoticed by the patient. Bed partners sometimes hear it before the patient feels anything. The dental signs are similar to stimulant grinding: flat wear facets on the cusps, chipped front teeth, fractured fillings, and jaw muscle soreness.

SSRI-related grinding tends to appear within weeks to months of starting the medication, and sometimes resolves on its own as the body adjusts. For patients in whom it persists, the same combination of saliva (which sertraline also reduces) and grinding is what makes the wear progress. Managing both protects the teeth.

Practical steps
What to do if sertraline is making you grind
  • Get a custom night guard. This is the single highest-leverage intervention, and it works regardless of the underlying cause of grinding.
  • Stay hydrated. Sertraline-related dry mouth makes the wear worse.
  • Tell your prescribing physician. A small dose reduction sometimes resolves grinding without losing the antidepressant benefit.
  • Ask whether buspirone might be added. There is evidence that this medication can reduce SSRI-induced bruxism in some patients.
  • Track when the grinding started in relation to the medication. This information helps your prescriber and dentist coordinate.
  • Mention the medication at every dental visit so cleaning intervals and exam focus reflect the higher risk.
Red flags
When to call your dentist
  • Morning jaw soreness that is now routine.
  • Headaches in the temples, especially on waking.
  • A new chip or sharp edge on any tooth.
  • Teeth that look shorter or flatter than they were before.
  • Jaw clicking, popping, or locking that did not happen before starting the medication.
Common questions
What patients ask about Sertraline and teeth grinding and jaw clenching.
How common is teeth grinding on sertraline?
Estimates vary, but bruxism is reported as a side effect of SSRIs across multiple studies. It is more common than the official drug labels suggest. Anyone starting an SSRI who develops new jaw soreness or morning headaches should consider grinding as a possible cause.
Will the grinding go away if I stop sertraline?
Often, but not always. Some patients have an underlying tendency to grind that the medication unmasked rather than created. Never stop sertraline on your own; the discontinuation syndrome can be unpleasant and the underlying anxiety or depression also matters.
Is there a different antidepressant that does not cause grinding?
Bupropion (Wellbutrin) and mirtazapine are less commonly associated with bruxism. If grinding is severe and other things are equal, your prescribing physician may consider a switch. This is not always the right call, and the dental management is usually enough.
Does adding buspirone really help?
There is published evidence that buspirone reduces SSRI-induced bruxism in some patients. It is not first-line, but it is an option your prescriber may consider when grinding is persistent and severe.
How much can sertraline grinding actually damage my teeth?
Mild grinders may have minor wear over years. Heavy grinders can fracture teeth, shorten the front teeth, and break old fillings within months. The cumulative damage is largely permanent, which is why early protection with a night guard is much cheaper than restoration later.
Talk to a dentist about your case
Bring your medication list to your visit.

General guidance is a starting point. Your specific dental plan depends on your medical history, your other medications, and what your mouth looks like in person. Schedule a consultation and we’ll walk through it.

Schedule a consultationCall (833) 598-3368

Reviewed by Dr. Isaac Sun, DDS.

This page is general information, not medical advice. Do not start, stop, or change any medication based on what you read here. Talk to your prescribing physician and your dentist about your specific situation.