I had stabbing foot pain in my feet foot on the top right. I have been diagnosed with Plantar Factities and have never had this type of pain before. I could not sleep because the sharp pain last all night off and on. Does anyone know what would cause this?

Here is an article I found on it.
Swimming is the best
Treatment of Plantar Fasciitis - February 1, 2001 - American Family Physician (http://www.aafp.org/afp/20010201/467.html)