Yellow Nails – A window into an internal condition

photos attributed to Dr HL Fred and Hendrik A. van Dijk
photos attributed to Dr HL Fred and Hendrik A. van Dijk

When I entered into the field of dermatology, everyone said that the skin is a window into the body’s internal conditions.  In addition to the skin, nails and hairs are a window into internal conditions as well.

And thus, we embark on the first of a series of colorful nails.

First, we’ll tackle yellow nails.

Yellow nails are found in Yellow Nail Syndrome (makes sense) is marked by lung disease, chronic swelling of the extremities (lymphedema) and slow growing, sometimes misshapen yellow nails that lack the lunular whitish area of the nail close to the cuticle.

Nails which are yellow may also be representative of certain medication use (e.g. reports of D-penicillamine or bucillamine use in patients with rheumatoid arthritis).