Sea urchin injury

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Sea urchin injury on the top side of the foot. This injury resulted in some skin staining from the natural purple-black dye of the urchin.

Sea urchin injuries are caused by contact with sea urchins, and are characterized by puncture wounds inflicted by the animal's brittle, fragile spines.[1]:431


Sea urchin spines can be venomous or cause infection. Granuloma and staining of the skin from the natural dye inside the sea urchin can also occur. Breathing problems may indicate a serious reaction to toxins in the sea urchin.[2]

If no infection occur on a non-venomous sea urchin injury, the sting can stay for a while inside the flesh. Pain and discomfort will be present. On a long period of time, the sting will dissolve in the body or will be expelled from the flesh.

Mediterranean black sea urchin sting getting expelled from the body by itself after 2 weeks.jpg.

See also[edit]


  1. ^ James, William D.; Berger, Timothy G.; et al. (2006). Andrews' Diseases of the Skin: clinical Dermatology. Saunders Elsevier. ISBN 0-7216-2921-0. 
  2. ^ Gallagher, Scott A. "Echinoderm Envenomation". eMedicine. Retrieved 12 October 2010.