According to the major symptom you report
(falling hair from one spot of the head)
you are probably experiencing some kind of
circumscriptive alopecia. Circumscriptive
alopecia is restricted to an area of the
head. According to the prognosis of the
condition, circumscriptive alopecias are
subdivided into 2 main categories: I.
Reversible and 2. Irreversible.
I. Reversible circumscriptive alopecias
include:
1. Alopecia areata (an autoimmune,
inflammatory cause);
2. Postinfective alopecia (occurs after
bacterial, viral or mycotic skin
infections);
3. Traumatic alopecia (occurs after
trauma), and
4. Infantile alopecia (occurs in babies
that drink breast milk that contains
hormones received from the mother).
II. Irreversible circumscriptive alopecias
include:
1. Alopecias during congenital
dermatoses;
2. Acquired alopecias (due to contusions,
corrosions, combustions, X-ray irradiation
and skin infections), and
3. Specific alopecias: Pseudopelade Brocq
(this type has an unknown cause);
pseudopeladic conditions (due to various
systemic diseases like lupus, sarcoidosis,
malignant diseases etc.). and
4. Scalp’s dermatoses.
You can consult a dermatologist for
establishing the correct diagnosis and to
start proper treatment.
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