Basics Of Hair & Nail Flashcards
. Fingernails grow at an average rate of…….
mm/month
• Toenails grow at an average rate……..
mm/month
3.47 fingernail
1.62 toenail
Nail disease treatment
Topical:
• Steroids (eczema)
• Antifungal(mild case, if extensive usually not enough needs
systemic antifungal )
• Antibiotics(bacterial infection )
• Keratolytics(Hyperkeratosis )
Systemic:
• Steroids( eczema)
• Antifungal (azole ) :avoided in pregnancy. The
duration of therapy ranges from 6-12 weeks
(fingernails) or 3-6 months (toenails)
• Antibiotics
Hair growth cycle phases
Anagen 6yrs
Catagen 2-3 m
Telogen 1-4 m
Anagen phase in short hair( eyelashes and eyebrows) last for…..
1 month
A hair shaft grows at a rate of about… cm per
month.
1 cm
Causes of non scarring alopecia
Androgenic
Alopecia areata
Telogen Effluvium
Trichotillomania
Thyroid or iron def.
Causes of scarring alopecia
Lichen Planus
Lupus
Traction/Traumatic
Folliculitis
At which phase of hair growth cycle is the hair in alopecia areata attacked?
Anagen phase
What’s the difference between alopecia totalis and alopecia universalis?
• Alopecia totalis: All or nearly all scalp hair is lost
• Alopecia universalis: All hair or nearly all hair on
the entire body is lost.
Treatment of alopecia areata
SAM Cam
Steroids
Antibodies (immune therapy)
Minoxidil
Camouflage
Prognosis of alopecia areata
40% with a single patch of hair loss have full hair
regrowth within 6 months.
• 27% with multiple patches of hair loss have full
regrowth within 12 months.
• 33% of patients with alopecia areata have chronic
hair loss
Management of Trichotillomania
-Behavioural therapy
-Tricyclic antidepressants
-Selective serotonin reuptake
inhibitors
What are the hair loss screening tests?
U&E(urea ,electrolyte)
LFT(liver function)
Iron, TIBC, Ferritin,
FBC(full blood count)
Thyroid profile
ANA(anti nuclear antibody
