warning about using benzocaine sprays (Hurricaine, etc) to numb the mouth and throat before intubation or endoscopy
April 2006
See new FDA safety information concerning the use of topical benzocaine sprays, gels, and liquids.
Benzocaine causes hemoglobin to oxidize to methemoglobin, which can't carry oxygen. This can lead to cyanosis, confusion, coma, etc.
Some hospitals are switching to lidocaine. It seems less likely to cause methemoglobinemia.
Get concise, unbiased advice for effective drug therapy, plus CE/CME
Prescriber's Letter includes:
- 12 issues every year, with brief articles about new meds and guidelines
- 48+ CE courses, including the popular CE-in-the-Letter
- Quick reference drug comparison charts
- Access to the entire archive
Already a subscriber? Log in
Volume pricing available. Get a quote