Flashcards in Hair and Nail Disorders Deck (28)
nail infections caused by ANY fungus (vast majority caused by Trichophyton rubrum)
Onychomycosis (Tinea Unguium)
Most common location for Onychomycosis (Tinea Unguium)
distal subungual region
What should you consider screening for in patients who present with onychomycosis because it's a major risk factor for onychomycosis?
How is onychomycosis usually diagnosed?
KOH examination of nail scrapings
Oral treatment of choice for onychomycosis
Duration of treatment of onychomycosis
fingernails: 1.5-3 months. toenails: 3-12 months
Medication class that cannot be used with terbinafine
What needs to be monitored when treating with terbinafine?
Infection around fingernail usually caused by S. aureus. Treated w/abx and warm soaks
Pulp space infection of digit tip. Presents as swollen, tender, erythematous.
Why does a felon require referral to hand surgeon in addition to I&D and abx?
edema due to felon can compromise arterial supply and lead to necrosis of the fingertip
Commonly seen in children and healthcare workers. Herpetic infection that usually affects one finger
Treatment for herpetic Whitlow
oral acyclovir for immunocompromised
Lateral nail plate pierces the lateral nail fold and enters the dermis. Presents w/edema, exudate, granulation tissue
onychocryptosis (ingrown nail)
Major risk factor for onychocryptosis (ingrown nail)
poorly fitting shoes
Treatment for mild to moderate ingrown toenail
Cotton wedging or dental floss underneath the lateral nail. Soak in warm water 20 minutes TID
Treatment for moderate to severe ingrown toenail
removal (partial nail avulsion)
Symmetrical hair loss that begins in the fronto-parietal scalp w/progressive recession
Inhibits growth of scalp hair and stimulates growth of facial hair
Treatment for androgenic alopecia that blocks conversion of testosterone to DHT. Needs 6 months to be effective
Topical treatment for androgenic alopecia that works better in younger men who have been balding for less than 10yrs
Autoimmune process directed against hair follicle. Rapid hair loss in round/oval patches
Best treatment for isolated patches of alopecia areata
Thinning/shedding of hair resulting from the early entry of hairs into the telogen phase due to stress, postpartum, malnutrition, crash dieting
Impulse control disorder unilateral to patient's dominant hand due to patient pulling hair out.
Treatment for trichotillomania
SSRI and cognitive therapy
What must you educate your patient with onychomycosis about?
high rate of treatment failure