Keratoderma is a blanket tem for any kind of thickening of your skin’s keratin layer.

Kids get them in the upper body. Adults sometimes get genital ones from sex. They can be scattered, or grow in clusters.

Seborrheic dermatitis, or ‘seborrheic eczema’, or just ‘seborrhea’, is the grownup version, usually with some inflammation, of the ‘cradle cap’ that babies get.

Seborrheic keratoses are non-cancerous tumors associated with aging skin. They’re much like warts, at the cellular level, only they’re not driven by any virus, as warts are.

‘Tinea’ means ‘worm’ – though this infection has nothing to do with worms.

It’s caused by a disappearance of melanocytes, the cells that carry melanin, your skin-darkening pigment protein.

All you need to know about Blepharitis - Treatment and Prognosis

They look like white bumps – think nettle sting – and they itch. The problem with hives is that we don’t usually know the trigger.

Dermatitis is an inflammation of the skin. Contact dermatitis is an inflammation of the skin caused by something that irritates the skin or creates an allergic reaction.

Cellulitis arrives quickly, presents as areas of red and painful swelling, typically on legs, but possible anywhere, and sometimes feels like terrible flu.

There are lots of reasons you can lose your hair. One of them is an auto-immune disorder called alopecia.