My Teeth Are Killing Me After Whitening | Why Did it Happen?

If you have recently undergone a teeth whitening procedure you may be experiencing some sensitivity or pain in your teeth and gums. This is a common side effect of bleaching agents that are used to remove stains and discoloration from your teeth.

Why My Teeth Are Killing Me After Whitening

Teeth pain after whitening is usually due to the whitening agents that penetrate the enamel potentially irritating the dental nerves. This can cause sensitivity or pain. Whitening agents may also cause discomfort if they touch gums or soft tissues. Persistent pain should prompt a consultation with a dentist to check for other dental issues.

What to Do for Pain After Teeth Whitening

Don’t worry we’ve got your back. If you’re experiencing pain after teeth whitening here are some tips to consider.

  • Avoid hot and cold foods and drinks for at least 24 hours after the procedure. These can trigger nerve reactions and increase pain.
  • Use toothpaste designed for sensitive teeth. This can help protect your enamel and reduce inflammation.
  • Rinse your mouth with salt water or baking soda solution. This can help balance the pH level of your mouth and soothe your gums.
  • Take over-the-counter pain relievers such as ibuprofen or acetaminophen. Follow the directions on the label and do not exceed the recommended dose.
  • Consult your dentist if the pain persists for more than a few days or if you experience any signs of infection such as swelling pus or fever. You may need additional treatment or medication to prevent complications.


While teeth whitening can brighten your smile it’s not without potential side effects. Understanding the causes of post-whitening pain and taking preventive measures can help mitigate discomfort. As always your oral health should be a priority and nothing beats the advice of a dental professional when it comes to ensuring a safe and effective whitening experience.


How long does the sensitivity last after teeth whitening?

Sensitivity usually subsides within 24-48 hours after the whitening process. However, if it continues beyond this point it would be best to consult with a dentist.

Are there any natural remedies for teeth sensitivity post-whitening?

Yes, rinsing the mouth with warm salt water is one natural remedy that can provide relief. Consuming foods rich in vitamins A C and E and avoiding extremely hot or cold foods can also help.

Can I prevent sensitivity after teeth whitening?

Yes, it’s possible. Brushing with desensitizing toothpaste a few weeks before the treatment can help prepare your teeth. Avoiding teeth-staining foods and drinks after the procedure can also minimize sensitivity.

Is teeth whitening safe?

When done correctly teeth whitening is a safe procedure. However, it’s always recommended to consult with a professional to avoid potential risks.

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