Hair and nail disorders

Question 1

Onychomycosis

Answer 1

Tinea Unguium
Nail infxn caused by any fungus
Toenails much more common

Question 2

Onychomycosis common bug

Answer 2

Trichophyton rubrum

Question 3

Onychomycosis major risk factor

Answer 3

diabetes

Question 4

Onychomycosis tx

Answer 4

Oral terbanafine (lamasil)
for 1-12 months
Cannot be used w/ statins

Question 5

Paronychia

Answer 5

Infection around fingernail
Usually staph A
Abx and warm soaks

Question 6

Felon

Answer 6

Pulp space infxn
Closed compartment infxn
Swollen, tender
Can cause necrosis
Refer to hand surgeon

Question 7

Herpetic Whitlow

Answer 7

Herpetic infxn of the cuticle region.
Seen in kids and healthcare workers
Self-limiting

Question 8

Onychocryptosis

Answer 8

Ingrown nail
Nail enters the dermis
Poorly fitting shows is a big cause

Question 9

Androgenic Alopecia

Answer 9

Symmetrical hair loss

Begins in fronto-parietal scalp and moves back

Question 10

FInasteride (Propecia)

Answer 10

Can be used to trigger hair growth.

Question 11

Minoxidil (Rogaine)

Answer 11

Works better in younger men who have been balding for less than 10 yrs

Question 12

Alopecia Areata

Answer 12

Autoimmune process against follicle.
Rapid hair loss in distinct, well-defined round or oval patches of complete loss.
Associated with other autoimmune dz

Question 13

Alopecia Areata tx

Answer 13

80% see spontaneous regression.
Intralesional steroids
Rogaine

Question 14

Telogen Effluvium

Answer 14

Thinning and shedding of hair resulting from early entry of hair into telogen phase.
Stress, postpartum
Malnutrition, crash dieting

Question 15

Trichotillomania

Answer 15

Impulse control disorder where patient pulls out hair.
Dominant side
tx w/ SSRI’s, CBT