How Long Does A Local Anesthetic Stay In Your System?

The length of time that the local anaesthetic takes to wear off depends on what type of anaesthetic was used.

It usually lasts for approximately 4 – 6 hours.

During this period take care not to injure the area which has been numbed as you may not feel any damage.

What are some potential side effects of local anesthetics?

Some people experience temporary side effects from a local anaesthetic, such as:

  • dizziness.
  • headaches.
  • blurred vision.
  • twitching muscles.
  • continuing numbness, weakness or pins and needles.

How long does lidocaine stay in your system?

Lidocaine has a 90% hepatic metabolism, and the elimination half-life is 1.5 to 2 hours, which can be prolonged up to 3.5 fold in patients with the severe liver disease.

How do you get local Anaesthetic to wear off?

It is said that activities that increase blood flow in the body help to make local anesthetic wear off faster. This might look like exercise or going for a walk. Although please note the caution below: Important – Please ask your dentist if they advise for you to engage in exercise soon after a procedure.

Can I drive after local Anaesthetic?

After a local anaesthetic or sedation, you will usually be able to go home within a couple hours after surgery. Sedation temporarily affects your coordination and reasoning skills, so you must not drive, drink alcohol, operate machinery or sign legal documents for 24 hours afterwards.