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Can You Use Lidocaine In Your Mouth?

Posted on June 18 2018

Lidocaine is a local anesthetic or numbing medication, which works by blocking nerve signals in your body. This is how it stops pain signals to reach your brain and reduce any sort of discomfort associated with painful medical or skin conditions. It is also effective to be used during irritations such as insect bites, sunburn, poison oak, poison ivy, poison sumac, and minor cuts, as well as rectal discomfort caused by hemorrhoids.



Can you use lidocaine in your mouth?

  • According to the leaflet, this ointment can be used in your mouth for numbing gums for dentistry. However, it is not intended to be used on your teeth- as the ointment is not sterile, hence there may be a potential risk of introducing infection and bacteria to your teeth by doing so. We would strongly recommend that you must stop using it this way and look for professional help to relive paint in your mouth.
  • This product has not been created for treating teeth pain in infants and young children due to the increased risk of serious side effects. Therefore, it is best to consult your doctor for more details and use some other alternatives to treat teething pain.
  • Before certain medical/dental procedures, lidocaine cream is applied only by a healthcare professional. If you’re using it yourself, make you follow the exact instructions given to you by your dentist or doctor.
  • Just like mouth, this medicament is also recommended to keep away from your eyes. Only apply the smallest amount or a thin layer to the affected area, when needed. The dosage of the numbing cream depends on your medical condition and response to the treatment. For children, the dosage varies as per the age and weight.
  • It is best to avoid increasing your dose or use the numbing cream more often than prescribed. More usage is not going to improve your condition, it will only increase the risk of more side effects.

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Lidocaine for new dentures:

  • If you are using lidocaine cream/ointment to relieve the pain from new dentures, you must make sure that the cream is applied with clean hands to all the surfaces touching your gums. When the lidocaine cream is applied to your mouth or throat, the numbness is going to make the swallowing difficult, as well as increase your risk of swallowing the wrong way or choking. Therefore, it is recommended to not chew gum or eat anything one hour after applying this product, when your mouth or throat is numb.
  • Avoid applying the cream to the chewing surfaces of your dentures to decrease the risk of swallowing the cream while chewing. Also, consult your dentist regularly during the fitting process and following the instructions carefully. Don’t forget to wash your hands after using the cream.

Important Information:

  • The overdose of numbing creaming can lead to fatal side effects when excessive medicine is absorbed on your skin. So, do not use excessive lidocaine cream, or cover treated skin areas with a bandage or plastic wrap without any medical advice.
  • You must keep both used and unused lidocaine skin patches out of the reach of children or pets. This is because it could be harmful to a child or pet, who may accidentally swallow the patch.


To ensure whether the lidocaine topical cream is safe for you, you need to tell your doctor if you have:

  • liver disease; or
  • if you take a heart rhythm medicine; or
  • If you are pregnant; or
  • If you are breastfeeding. Although it is not known whether lidocaine topical passes into breast milk or if it could harm a nursing baby. But prevention is certainly better than cure, right?

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