Onychomycosis is a fungal infection of the nails that causes discoloration, thickening, and separation from the nail bed. Onychomycosis occurs in 10% of the general population, 30% of persons older than 60 years, and 50% of those older than 70 years. 

Onychomychosis

Onychomycosis is more common in diabetic than nondiabetic patients. It is more than a cosmetic problem, and diabetic patients have a greater risk of serious complications from the disease, including limb amputations. 

The increased prevalence of fall risks in older adults may be related to Diabetes Mellitus, Diabetic Neuropathy or Peripheral Arterial Disease, and Immunologic Disorders. Onychomycosis accounts for 50% of nail disorders and may occur in patients with distorted nails, a history of nail trauma, genetic predisposition, hyperhidrosis, concurrent fungal infections, and psoriasis. It is also more common in smokers and in those who use occlusive footwear. Risk factors for developing fungal infections of the toenails include:

• 10% prevalence in the general population (worldwide)

• 30% prevalence in people older than 60-years and 

• 50% prevalence in people older than 70-years