Difference between revisions of "Topical Analgesia"

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==Introduction==
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'''Topical analgesia''' applies to analgesia at any surface, commonly the skin and mucous membranes such as mouth, genital tract and tracheobronchial tree.  
 
'''Topical analgesia''' applies to analgesia at any surface, commonly the skin and mucous membranes such as mouth, genital tract and tracheobronchial tree.  
  
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*Superficial Analgesia.
 
*Superficial Analgesia.
 
*Variable in duration of action.
 
*Variable in duration of action.
 
 
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[[Category:To Do - Drugs]]
 
[[Category:Local Analgesia]]
 

Revision as of 13:36, 15 April 2009



Topical analgesia applies to analgesia at any surface, commonly the skin and mucous membranes such as mouth, genital tract and tracheobronchial tree.

Agents

  • Agents are commonly found as creams, gels or sprays, and include lidocaine and EMLA cream.
  • Some injectable agents can be used also be used topically.
  • Care should be taken when applying the cream - Gloves should be worn.
  • Agents which freeze the skin surface, such as ice or ethyl chloride spray, may also be used as it provides a degree of analgesia but is very superficial and care should be taken when using these substances as can lead to skin necrosis.

Uses

  • On venopuncture sites prior to catheter placement.
  • Passing of urinary catheters.
  • Placement of endotracheal tubes.
  • Procedures in the nasal cavity.
  • For opthalmic examination and surgical procedures.

Advantages

  • Easy Application - Requires no specific skills or expensive equipment.
  • Repeat doses possible.

Disadvantages

  • Superficial Analgesia.
  • Variable in duration of action.