Medication Summary

The goals of pharmacotherapy are to eradicate the infection, to reduce morbidity, and to prevent complications.^[33]

Class Summary

The mechanism of action usually involves inhibiting pathways (enzymes, substrates, transport) necessary for sterol/cell membrane synthesis or altering the permeability of the cell membrane (polyenes) of the fungal cell.

Griseofulvin (Fulvicin P/G, Grifulvin V)

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Griseofulvin has fungistatic activity. Fungal cell division is impaired by interfering with the microtubule. Griseofulvin binds to keratin precursor cells. Keratin is gradually replaced by noninfected tissue, which is highly resistant to fungal invasions.

Terbinafine (Lamisil)

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Terbinafine is a member of the allylamine family and a fungicidal agent that inhibits ergosterol synthesis via squalene epoxidase, which results in a decreased ergosterol level and an increased concentration of squalene; this leads to cell death. Use medication until symptoms significantly improve.

Itraconazole (Sporanox)

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Itraconazole has fungistatic activity. It is a synthetic triazole antifungal agent that slows fungal cell growth by inhibiting cytochrome P-450-dependent synthesis of ergosterol, a vital component of fungal cell membranes.

Fluconazole (Diflucan)

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Fluconazole has fungistatic activity. It is a synthetic oral antifungal (broad-spectrum bistriazole) that selectively inhibits fungal cytochrome P-450 and sterol C-14 alpha-demethylation, which prevents conversion of lanosterol to ergosterol, thereby disrupting cellular membranes.

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Media Gallery

Inflammatory tinea barbae resulting from Trichophyton mentagrophytesvar granulosuminfection.
Wax model of kerionlike tinea barbae. Courtesy of the Museum of the Department of Dermatology, University of Medicine, Wroclaw, Poland.

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Author

Robert A Schwartz, MD, MPH Professor and Head of Dermatology, Professor of Pathology, Professor of Pediatrics, Professor of Medicine, Rutgers New Jersey Medical School

Robert A Schwartz, MD, MPH is a member of the following medical societies: Alpha Omega Alpha, American Academy of Dermatology, New York Academy of Medicine, Royal College of Physicians of Edinburgh, Sigma Xi, The Scientific Research Honor Society

Disclosure: Nothing to disclose.

Coauthor(s)

Jacek C Szepietowski, MD, PhD Professor, Vice-Head, Department of Dermatology, Venereology and Allergology, Wroclaw Medical University; Director of the Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Poland

Disclosure: Received consulting fee from Orfagen for consulting; Received consulting fee from Maruho for consulting; Received consulting fee from Astellas for consulting; Received consulting fee from Abbott for consulting; Received consulting fee from Leo Pharma for consulting; Received consulting fee from Biogenoma for consulting; Received honoraria from Janssen for speaking and teaching; Received honoraria from Medac for speaking and teaching; Received consulting fee from Dignity Sciences for consulting; .

Specialty Editor Board

Richard P Vinson, MD Assistant Clinical Professor, Department of Dermatology, Texas Tech University Health Sciences Center, Paul L Foster School of Medicine; Consulting Staff, Mountain View Dermatology, PA

Richard P Vinson, MD is a member of the following medical societies: American Academy of Dermatology, Texas Medical Association, Association of Military Dermatologists, Texas Dermatological Society

Disclosure: Nothing to disclose.

Paul Krusinski, MD Director of Dermatology, Fletcher Allen Health Care; Professor, Department of Internal Medicine, University of Vermont College of Medicine

Paul Krusinski, MD is a member of the following medical societies: American Academy of Dermatology, American College of Physicians, Society for Investigative Dermatology

Disclosure: Nothing to disclose.

Chief Editor

William D James, MD Paul R Gross Professor of Dermatology, Vice-Chairman, Residency Program Director, Department of Dermatology, University of Pennsylvania School of Medicine

William D James, MD is a member of the following medical societies: American Academy of Dermatology, Society for Investigative Dermatology

Disclosure: Received income in an amount equal to or greater than $250 from: Elsevier; WebMD<br/>Served as a speaker for various universities, dermatology societies, and dermatology departments.

Additional Contributors

Franklin Flowers, MD Professor Emeritus, Department of Dermatology, Affiliate Associate Professor of Pathology, University of Florida College of Medicine

Franklin Flowers, MD is a member of the following medical societies: American College of Mohs Surgery

Disclosure: Nothing to disclose.