Surgery Book

http://www.fpnotebook.com/

EMLA cream

Aka: EMLA cream, Eutectic Mixture of Local Anesthetic
  1. See Also
    1. Local Skin Anesthesia
    2. Digital Block
    3. Lidocaine Local Skin Anesthesia (Xylocaine)
    4. Lidocaine-Epinephrine-Tetracaine (LET Anesthesia)
  2. Indications
    1. Venipuncture
    2. Used prior to Local Anesthesia injection
  3. Ingredients
    1. Lidocaine 25 mg/ml
    2. Prilocaine 25 mg/ml
    3. Thickener, emulsifier, distilled water
    4. Buffered to pH of 9.4
  4. Technique
    1. Apply thick layer to skin surface
      1. Apply 1-2 grams per 10 cm^2
      2. Maximum dose 10 grams
    2. Cream applied to Epidermis
    3. Occlusive Dressing applied (Tegaderm, Opsite)
    4. Held in place for 60-90 minutes
      1. Apply for only 5-30 minutes if over diseased skin
    5. Duration of anesthesia: 30-120 minutes
    6. Depth of penetration
      1. Applied for 60 minutes: 3 mm depth
      2. Applied for 90-120 minutes: 5 mm depth
  5. Advantages
    1. Minimal systemic absorption
    2. No skin distortion
  6. Contraindications
    1. Age under 1 month old
    2. Methemoglobinemia
    3. Not FDA approved for open skin or mucous membranes
      1. Has however been used in Laceration Repair
      2. Zempsky (1997) Ann Emerg Med 30:163-6 [PubMed]
  7. References
    1. Pfenninger (1994) Procedures, Mosby, p. 135-155
    2. Kundu (2002) Am Fam Physician 66(1):99-102 [PubMed]

You are currently viewing the original 'fpnotebook.com\legacy' version of this website. Internet Explorer 8.0 and older will automatically be redirected to this legacy version.

If you are using a modern web browser, you may instead navigate to the newer desktop version of fpnotebook. Another, mobile version is also available which should function on both newer and older web browsers.

Please Contact Me as you run across problems with any of these versions on the website.

Navigation Tree