How to Use Lidocaine Spray for Toothache
Lidocaine spray should be applied directly to the painful area of the gum or tooth for 3-5 seconds, waiting 4-5 minutes for maximum effect, and should not be used more than 4 times daily to avoid toxicity. While lidocaine spray can provide temporary relief for toothache pain, it's important to use it correctly to ensure safety and effectiveness.
Proper Application Technique
Before application:
- Rinse your mouth with water to clean the area
- Dry the painful area with a clean tissue or cotton swab
- Check the product label for specific concentration (typically 4-5%)
Application method:
- Spray directly onto the painful area (tooth/surrounding gum)
- Apply for 3-5 seconds only
- Avoid spraying toward the back of the throat
- Do not swallow the medication
Timing considerations:
Safety Precautions
- Maximum frequency: Do not use more than 4 times daily
- Maximum duration: Do not use continuously for more than 7 days
- Avoid combining with other local anesthetics including:
- Other lidocaine products (gels, patches)
- Benzocaine products
- Topical anesthetics 2
Warning Signs of Toxicity
Stop using and seek medical attention if you experience:
- Dizziness or lightheadedness
- Confusion or drowsiness
- Numbness around the mouth or tongue that spreads beyond the application area
- Visual disturbances
- Ringing in the ears
- Metallic taste 2
Special Considerations
- Not for intact skin: Lidocaine spray is effective on mucous membranes (like gums) but ineffective on intact skin 2
- Temporary solution only: Lidocaine provides symptomatic relief but doesn't treat the underlying cause of toothache
- Avoid in certain conditions:
- Known allergy to lidocaine or similar anesthetics
- Severe heart disease
- Liver disease
- Open wounds or severely traumatized tissue in the mouth 2
Remember that while lidocaine spray can provide temporary relief, it's important to seek dental care for proper diagnosis and treatment of the underlying cause of your toothache.