The complications of laser resurfacing are essentially the same as those after other resurfacing procedures such as peels and sanding. in general complications are more likely the deeper the  depth of the skin damage. We have provided this list so that you can rapidly review some of the problems associated with laser resurfacing of the facial skin.
Sensation of heat: during the first week many patients complain of intense heat. This is less common when occlusive dressings are used. It may continue until the healing is complete.
Scarring: severe burns can occur and result in permanent scarring. This may be related to the technique used but is risk in all cases.
Infection: bacterial and yeast infection have been reported. These may be more common when occlusive dressings are used. Serious infection can increase the depth of the burn and lead to scarring.
Hyperpigmentation: increased pigmentation(darkening) may occur in about one out of four patients and may least several months. In many cases it is temporary but can be permanent.
Hypopigmentation: decrease in pigment in the skin(lightening) is seen in about one in twenty patients and may be permanent.
Herpes: even if you have no history of herpes it is possible to develop herpes infections in the treated area. For this reason some surgeons recommend the use of prophylactic anti-herpetic medicine like Zorvirax,
Tooth injury: the teeth must be protected or the laser can damage the enamel.
Eye injury: the eye must be protected with a shield to protect damage to the eye, such as corneal ulcers.
Ectropion: when the eyelid is treated with the laser it is possible to cause excess tightening of the skin and this may result in pulling down of the lower lid called an ectropion. This is more common is patients who have laxity of the eyelid before surgery.
Lagophthalmos: although it is rarely permanent, tightening of the upper eyelid skin may prevent complete closure of the eyes.
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