How to avoid local anaesthetic toxicity.

Local anaesthetic overdose is not common in dental practice but can occur. In rare cases it can be fatal. Normally the use of good technique employing small amounts of solution limits toxicity. In addition, thorough medical history taking should forewarn the dentist of any patient who has experienced problems in the past and will also alert the operator to those few patients who exhibit idiosyncratic reactions. This article aims to offer practical advice to help avoid local anaesthetic toxicity.