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onychomycosis

File:Oncymycosis.JPG · Wikimedia Commons · See Wikimedia Commons

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onychomycosis

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Also known as tinea unguium, obsolete onychomycosis

Onychomycosis, also known as tinea unguium, is a fungal infection of the nail. Symptoms may include white or yellow nail discoloration, thickening of the nail, and separation of the nail from the nail bed. Fingernails may be affected, but it is more common for toenails. Complications may include cellulitis of the lower leg. A number of different types of fungus can cause onychomycosis, including dermatophytes and Fusarium. Risk factors include athlete's foot, other nail diseases, exposure to someone with the condition, peripheral vascular disease, and poor immune function. The diagnosis is ge

Key facts

Medical condition (new).name
Onychomycosis
Medical condition (new).synonyms
Dermatophytic onychomycosis tinea unguium
Medical condition (new).image
Oncymycosis.JPG
Medical condition (new).width
300px
Medical condition (new).caption
A toenail affected by onychomycosis
Medical condition (new).field
Infectious disease
Medical condition (new).symptoms
White or yellow nail discoloration, thickening of the nail
Medical condition (new).complications
Lower leg cellulitis
Medical condition (new).onset
Older males
Medical condition (new).causes
Fungal infection
Medical condition (new).risks
Athlete's foot, other nail diseases, exposure to someone with the condition, peripheral vascular disease, poor immune function
Medical condition (new).diagnosis
Based on appearance, confirmed by laboratory testing
Medical condition (new).differential
Psoriasis, chronic dermatitis, chronic paronychia, nail trauma
Medical condition (new).treatment
None, anti-fungal medication, trimming the nails
Medical condition (new).medication
Terbinafine, ciclopirox
Medical condition (new).prognosis
Often recurs
Medical condition (new).frequency
~10% of adults

via Wikipedia infobox

Health references

ICD-10
B35.1 — Tinea unguium
Source: U.S. National Library of Medicine (ICD-10-CM · MedlinePlus). Not medical advice.

Research

5,365 papers

via PubMed

~13 min read

Encyclopedic overview

19 sections
Contents
  • Signs and symptoms
  • Causes
  • Dermatophytes
  • Other
  • Risk factors
  • Diagnosis
  • Classification
  • Differential diagnosis
  • Treatment
  • Medications
  • Other
  • Cost
  • United States
  • Canada
  • Prognosis
  • Epidemiology
  • Etymology
  • Research
  • References

Onychomycosis, also known as tinea unguium, is a fungal infection of the nail. Symptoms may include white or yellow nail discoloration, thickening of the nail, and separation of the nail from the nail bed. Fingernails may be affected, but it is more common for toenails. Complications may include cellulitis of the lower leg.

A number of different types of fungus can cause onychomycosis, including dermatophytes and Fusarium. Risk factors include athlete's foot, other nail diseases, exposure to someone with the condition, peripheral vascular disease, and poor immune function. The diagnosis is generally suspected based on the appearance and confirmed by laboratory testing.

Excerpted from Wikipedia’s “onychomycosis” article, available under the CC BY-SA 4.0 licence.

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