A member asked:

Are there any long term side effects from topical ketamine/lidocaine? what would happen if overdose?

3 doctors weighed in across 2 answers
Dr. Andrew Germanovich answered

Specializes in Pain Management

Hard to : Overdose on topicals. Long term side effects of topical ketamine are minimal if any at all. Great old drug for neuropathic pain or for opiod tolerant patients.

Answered 5/8/2018

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Unlikely : It is very unliky that you will absorb enough topically administered Lidocaine and ketamine to achieve any significantly high blood levels which would lead to toxicity.

Answered 5/8/2018

4.8k views

Thank

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