Athlete's foot

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Complications

By Mayo Clinic staff

Athlete's foot can lead to complications, including:

  • Secondary infections. Athlete's foot, a fungal infection, can create an environment that invites a secondary bacterial infection. By producing an antibiotic substance, the fungus can kill off vulnerable bacteria and favor the overgrowth of hardier, resistant bacteria. In turn, the bacteria release substances that can cause tissue breakdown — soggy skin and painful eroded areas between the toes.
  • An allergic response. After an episode of athlete's foot, proteins might enter your bloodstream, leading to an allergic reaction that may cause an eruption of blisters on your fingers, toes or hands (dermatophytid or "id" reaction).
Preparing for your appointment Risk factors
References
  1. Goldstein A, et al. Dermatophyte (tinea) infections. http://www.uptodate.com/home/index.html. Accessed Sept. 7, 2010.
  2. Trevino J, et al. Tinea (dermatophyte) infections. American Academy of Dermatology. http://www.aad.org/education/students/Tineainfect.htm. Accessed Sept. 27, 2010.
  3. Augenbaugh W. Cutaneous fungal infections. In: Bope ET, et al. Conn's Current Therapy. Philadelphia, Pa.: Saunders Elsevier; 2010. http://www.mdconsult.com/books/page.do?eid=4-u1.0-B978-1-4160-6642-2..00013-2--sc0100&isbn=978-1-4160-6642-2&sid=1060046265&type=bookPage&sectionEid=4-u1.0-B978-1-4160-6642-2..00013-2--s1795&uniqId=220345846-2#4-u1.0-B978-1-4160-6642-2..00013-2--s1795. Accessed Sept. 27, 2010.
  4. Dermatophyte fungal infections. In: Habif TP. Clinical Dermatology: A Color Guide to Diagnosis and Therapy. 5th ed. Edinburgh; New York, N.Y.: Mosby Elsevier; 2010. http://www.mdconsult.com/books/page.do?eid=4-u1.0-B978-0-7234-3541-9..00022-5&isbn=978-0-7234-3541-9&sid=1060047096&type=bookPage&sectionEid=4-u1.0-B978-0-7234-3541-9..00022-5--s0375&uniqId=220345846-3#4-u1.0-B978-0-7234-3541-9..00022-5--s0375. Accessed Sept. 28, 2010.
  5. Fungus infections: Tinea. American Osteopathic College of Dermatology. http://www.aocd.org/skin/dermatologic_diseases/fungus_infections.html. Accessed Sept. 29, 2010.
DS00317 Nov. 23, 2010

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