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Pain Management

Topical Anesthetics

This study suggests that due to its prompt analgesia, lack of systemic side effects, and convenience, xylocaine pump spray provides a significant improvement in posttraumatic peripheral neuropathy.

Anesth Analg. 2009 Mar;108(3):987-91.

The analgesic effect of a metered-dose 8% lidocaine pump spray in posttraumatic peripheral neuropathy: a pilot study.

A double-blind placebo-controlled crossover trial showed that in patients with Complex Regional Pain Syndrome (CRPS; also known as Reflex Sympathetic Dystrophy), topical application of ketamine 10% cream caused a reduction in allodynia, a most unpleasant aspect of this condition. This study shows promise for the use of topical ketamine as opposed to parenteral and oral forms which often result in undesirable side effects. Pain. 2009 Nov;146(1-2):18-25.

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Reduction of allodynia in patients with complex regional pain syndrome: A double-blind placebo-controlled trial of topical ketamine.

“Lidocaine lollipop is a promising form of local oropharyngeal anesthesia for EGD. Its use resulted in sparing the use of intravenous sedation. It is well tolerated and safe and may be particularly important in the elderly, patients with comorbidities, and office-based endoscopy. “ Gastrointest Endosc. 2007 Oct;66(4):786-93.

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Lidocaine lollipop as single-agent anesthesia in upper GI endoscopy.

Topical piroxicam 0.5% gel was associated with fewer inflammatory side effects than was EMLA cream, because of its anti-inflammatory effect after the procedure. Lasers Med Sci. 2008 Aug 21. [Epub ahead of print]

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A clinical comparison of topical piroxicam and EMLA cream for pain relief and inflammation in laser hair removal.

The following article concludes: “LAT gel (4% lidocaine, 1:2000 adrenaline, 0.5% tetracaine) worked as well as TAC gel (0.5% tetracaine, 1:2000 adrenaline, 11.8% cocaine) for topical anesthesia in facial and scalp lacerations. Considering the advantages of a noncontrolled substance and less expense, LAT gel appears to be better suited than TAC gel for topical anesthesia in laceration repair in children.” Pediatrics 1995 Feb;95(2):255-8

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Lidocaine adrenaline tetracaine gel versus tetracaine adrenaline cocaine gel for topical anesthesia in linear scalp and facial lacerations in children aged 5 to 17 years.

The following article reported that a triple-anesthetic gel containing benzocaine, lidocaine, and tetracaine (“BLT”) applied prior to treatment with a 532-nm KTP laser resulted in significantly lower pain scores than with 3 other topical anesthetics at 15, 30, 45, and 60 minutes after application. Cosmetic Dermatology 2003 Apr;16(4):35-7

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