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Complications
By Mayo Clinic staffAthlete's foot can lead to complications. These include:
- 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).
References
- Goldstein AO, et al. Dermatophyte (tinea) infections. http://www.uptodate.com/home/index.html. Accessed Sept. 22, 2008.
- Habif TP. Superficial fungal infections. In: Clinical Dermatology: A Color Guide to Diagnosis and Therapy. 4th ed. Philadelphia, Pa.: Mosby Inc.; 2004. http://www.mdconsult.com/das/book/body/104355536-2/742469442/1195/81.html?printing=true. Accessed Sept. 22, 2008.
- Drugs@FDA. Food and Drug Administration. http://www.accessdata.fda.gov/scripts/cder/drugsatfda/index.cfm. Accessed Sept. 22, 2008.
- Andrews MD, et al. Common tinea infections in children. American Family Physician. 2008;77(10):1415-1420.
- Gibson LE (expert opinion). Mayo Clinic Rochester, Minn. Oct. 16, 2008.
