Monday, August 26, 2013

Fin Foot

Foot Pain after Scuba Diving- posted by Dr. Brooke Austin

It could be a condition called “Fin Foot”

 "I  was diving recently and after the last dive I noticed that my big and little toes were sore. Within a few hours they looked bruised and were extremely painful, I could hardly walk. I was wearing the same boots and open-heel fins that I’ve worn before. I am used to diving in colder water because of where I live. It took several days for the bruising and pain to go away. Could this have been Decompression Sickness (DCS)?”

This was unlikely to be DCS due to the location and the symptoms you described. It is not typical for DCS to isolate in specific digits. Your presentation suggests a condition known as reactive hyperemia or "fin foot".
This usually occurs in the aftermath of a period of reduced blood flow to an area of the body. When circulation is fully restored following constriction of blood flow the blood vessels dilate and can become engorged with blood. This can cause discoloration ranging from dark red to the bruised appearance you described as well as exquisite pain.

If our fin straps are too tight or we have forced our foot into the foot pocket too firmly we can create a steady mechanical pressure on the blood vessels. This is colloquially known as ‘fin foot’. Colder water can also contribute to the constriction of the blood vessels adding to the reduced blood flow to the area. Usually this condition does not require medical intervention other than pain management. Typically staying off the affected foot as much as possible, elevating the foot and applying warm compresses will help keep the affected area comfortable.
Working with your local dive professional or podiatrist to confirm proper fit of your equipment may be in order as well.  If your symptoms do not resolve within a few days or progressively get worse then you should seek medical attention immediately. Call our office at (239) 304-5161.


  1. Does anyone know a good foot doctor in Merrillville? I have been having some really dull pain in my heel and I want to get it checked out.

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