SYNERA (Lidocaine And Tetracaine) Patch [ZARS Pharma, Inc.]
Updated Date: Mar 5, 2012 EST (Source: DailyMed Drug Label Updates for the last seven days (since May 20, 2007 EST))

Occipital nerve block is effective in craniofacial neuralgias but not in idiopathic persistent facial pain
Abstractnbsp;nbsp;Occipital nerve block (ONB) has been used in several primary headache syndromes with good results. Information on its effects in facial pain is sparse. In this chart review, the efficacy of ONB using lidocaine and dexamethasone was evaluated in 20 patients with craniofacial pain syndromes comprising 8 patients with trigeminal neuralgia, 6 with trigeminal neuropathic pain, 5 with persistent idiopathic facial pain and 1 with occipital neuralgia. Response was defined as an at least 50% reduction of original pain. Mean response rate was 55% with greatest efficacy in trigeminal (75%) and occipital neuralgia (100%) and less efficacy in trigeminal neuropathic pain (50%) and persistent idiopathic facial pain (20%). The effects lasted for an average of 27nbsp;days with su...