Abstract
Natural rubber latex (NRL) is present within many dental products including local anaesthetic (LA) cartridges. Patients with NRL sensitivity are at risk of developing type I and type IV allergic reactions from exposure to these products. Evidence from current literature is inconclusive yet highly suggestive that NRL contamination may occur in medicines stored within vials containing natural rubber components. It would therefore be prudent to avoid using such products in patients with a known NRL allergy. For dental practitioners this applies to LA cartridges and is easily achievable, as manufacturers now produce products not made with NRL. This article aims to provide guidance for dental health professionals regarding the use of LA in patients with a known NRL hypersensitivity. CPD/Clinical Relevance: NRL allergies are a rising concern amongst medical professions and these reactions should be avoided wherever possible.
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