hair loss and the many ways of it Alopecia :
The general medical term used to describe hair loss is alopecia.
There are two sorts of alopecia that are described in the section and diagnostic clinic.
Androgenetic alopecia
Alopecia Areata
clinic
The scalp has around 150 thousand hair, when 25 percent disappears, it may be a bald process.
There are many factors that will cause alopecia then be listed.
The sorts of hair loss are :
Androgenetic alopecia : This is the most typical kind of alopecia in men. It is affecting at least 50% of the populace aged over 40 years in men and 50 ladies. It attacks thirty percent of men thirty years, 40% of men forty years and 80% of men over 65 years. It could be due to an inherited sensitiveness to a commonly occurring substance called dihydrotestosterone ( DHT ).
Studies of scalp hair from bald and not bald show that in this kind of alopecia are high concentrations of 5-alpha-reductase and DHT in the scalp.
The 5-alpha-reductase is an enzyme that catalyzes the conversion of testosterone to DHT and increased DHT is connected with baldness in men.
alopecia male pattern starts with a slight reduction of hair at the temples, which increases with time.
Alopecia areata is a type of alopecia that usually occurs as plaques on the scalp. In some cases the situation may progress to complete loss of head hair ( alopecia totalis ) or entire body ( alopecia universalis ). Is affecting one percent of the populace forty years and is typically refractory to medical care.
Diagnosis
it's vital to contact a doctor or dermatological doctor if you notice the presence of a major loss of hair to define their state.
Its diagnosis is necessary to :
Exploring visual shows the scalp to establish if located in several areas of baldness.
Patient History : Performed a list of questions like : at what point did the loss of hair, lost hair type, location, medicines taken, family history of baldness and hair daily care ( for example sorts of shampoos, dyes, curlers or other hair clips ).
Hair pull test : take a strand between your fingers and pull gradually. It is repeated in a couple of sections, several times.
Quantitative analysis of shed hair : loose hair is collected during the period of a week, and has got the average detached hairs per day. This gives info about the power of his alopecia.
miniscule investigation of hair stems and bulbs : to determine if the hair has a normal structure.
ETIOLOGY
The reasons behind alopecia are plenty of, however nowadays the key ones are :
bad diet
stress
Other :
sicknesses : like thyroid and syphilis
infective processes
drug interactions such as side-effects of chemo ( chemical exposure ), the consequences of high batches of vitamin A, drugs used to lower cholesterol, and anti-thyroid
congenital factors
as an unwanted effect of using prescription medicines or prescription
Iron deficiency ( anemia )
In women, hair loss may be due to :
post-childbirth or abortion
post-menopausal stage, by reduction of female hormones
daily use of buckles or strap-shaped bras that can cause weakening of the roots.
PREVENTION AND TREATMENT
Once the diagnosis by the doctor or dermatological doctor will decide explicit treatment for each sort of alopecia.
these are different sorts of drugs and associations : There are 2 types of alopecia in topical drug treatment produced some results :
Androgenetic alopecia
the sole topical medicine which has proved effective is minoxidil. In women, the rate of reaction to treatment for 32 weeks with minoxidil solution 2%, was between 44% and 63%. Hair growth showed variable power. In men, the response rate was 40% after twelve months of treatment. At first, it was advised that its effect was due to local vasodilation, but other information suggest it has direct effects on the follicle and on keratinocytes, skyrocketing glycosaminoglycan synthesis. Minoxidil lotion is applied to two percent, 1 ml two times a day. You shouldn't spend two ml a day to prevent the frequency of systemic effects. Local effects include skin sensitiveness to the drug or the vehicle of the same ( lotion ). When treatment is postponed and recommenced the process bald.
Alopecia Areata
Variable was employed successfully with intralesional administration of corticosteroids. Is at present judging the value of some topical photosensitizer,eg anthralin and diphencyprone.
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