The amount of bleeding depends on the depth and extent of the cut. These are jagged, irregular cuts or tears of the skin. Most lacerations are serious in nature and bleeding may be heavy. The chance of infection may be increased due to the extent and cause of the laceration. These types of wounds are caused by an object piercing the skin layers, creating a small hole.
Some punctures are superficial and some are very deep, depending on the source and cause of it.
Common causes are wood splinters, pins, nails and glass. Infections are common, due to the difficulty of cleaning into the puncture site. Burns These injuries cause damage to skin cells that may vary greatly in depth, size and severity. Common causes include fire, hot liquids, household chemicals, and the sun or other radiation source. Burns are often difficult to heal, may cause scarring and may become infected.