Reducing the pain of intradermal lignocaine injection by pH buffering.
- 1 June 1990
- journal article
- clinical trial
- Published by BMJ in Emergency Medicine Journal
- Vol. 7 (2) , 65-68
- https://doi.org/10.1136/emj.7.2.65
Abstract
The effect of pH on the pain of administration and efficacy of 1% lignocaine was investigated in a prospective, double-blind, randomized study of 20 adult volunteers. Onset and spread of anaesthesia by intra-dermal injection were not altered, but there was a significant reduction in pain scores with a higher pH. Overall, pain scores appear to be more dependent on the speed of injection rather than alteration of pH.Keywords
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