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A to Z of Diseases & Disorders
Acaulosis unguis	Infection of the nail with scopulariopsis
Anonychia	Absence of the nail
Beau's Lines	Ridged nails due to illness
Defluvium Unguinum	Brittle nails
Dermatitis & eczema	Inflamed, irritated skin
Egg shell nails	Thin, white nails
Hapalonychia	Soft nails
Leukonychia	White, colourless nails or white spots
Macronychia	Large, but otherwise normal nails
Micronychia	Small, but otherwise normal nails
Onychalgia nervosa	Intensely sensitive nails
Onychauxis	Thickened nails,old age,psoriasis,trauma
Onychia	Inflammation of the nail
Onychodyspasia	Abnormal development of nail growth
Onychgryphosis	Long,thick & curved nails
Onychoheterotrophia	Misplace nails
Onycholysis	Lifting away or separation of nail from the nail bed
Onychomadesis	Splitting of nails into layers
Onychomycosis	Fungal infection,commonly known as ringworm
Onychophagy	Nail biting
Onychorrhexsis	Dry, brittle nails
Onychotillomania	Picking at the nail from habit
Panaritium	Abscess at side of nail ( Whitlow )
Paronychia	Inflammation of soft tissue
Platonychia	Increased curvature in long axis
Polyonychia	Two or more separated nails on one digit
Psoriasis	Abnormal thickening of the skin
Pterygium	Excessive growth forward of the cuticle
Trachyonychia	Rough nails
Usure des ongles	Wearing away of nails due to scratching
Verruca vulgaris	Wart

Bacterial Infection as a nail technician you will see this condition as a yellow of green patch between the nail plate and the product overlay. When applying tips if an air bubble is trapped, moisture inside the bubble will stagnated with a build up of bacteria and change colour. The longer it is left the darker the colour becomes. The colour is a by product of the bacterial infection and not the bacteria itself. Bacteria need warmth, moisture and food to form. Heat is supplied by the blood feeding the nail bed, moisture is in the air trapped and the food is non-living tissue not removed by the technician in the preparation.

Brittle Nails. The most common condition you will see is lamellar splitting of the free edge of the nail into fine layers.

Bruised Nails. caused by a clot of blood which forms under the nail after trauma or impact. Sometimes the nail plate needs to be pieced to release the pressure, but this should only be done by a medical practitioner. The client may lose the nail but a new nail will grow underneath.

Hang nail or Agnails. caused by dry cuticles of damaged cuticles. It is just a piece of loose skin hanging off the cuticle, a very common condition, regular use of cuticle oil will help greatly.

White Spots. is simply bruising or trauma to the nail plate. this can be caused by cuticles being pushed back too harshly and damaging the new cells in the lanula. It can also be caused by damage to the nail during your day to day work.

Bitten Nails. nail biting is a habit and very difficult to give up. The condition is obvious to see, but nail extensions often will cure the biter. As a technician it will be up to you to look after the client maybe with a weekly check of the nails, once the habit is broken your client will be very grateful for the care you have shown them.

Onychia. an infection in the nail plate, this can be swollen tissue, redness, soreness or puss. It can be caused by poor technician hygiene. Refer sufferers to their GP.