Causes of Excessive Hair Loss
Improper care and cosmetic use – Chemical treatments like dyes, tints, bleaches, straighteners, and permanent waves rarely damage hair if applied correctly. However, the hair becomes weak and brittle if chemicals are used too often or left on too long, if two procedures are done on the same day, or if bleach is applied to previously bleached hair. Damaged hair is best left alone until it grows out.
Pulled-back hairstyles like ponytails and braids should not b too tight and should be alternated with looser hairdo. Too frequent and combing or brushing are other causes of hair loss. Using a cream rinse or conditioner after shampooing will make hair more manageable and easier to comb.
Avoid vigorous rubbing of web hair with towel, as well as rough combing and brushing. Use wide-toothed combs and brushes with smooth tips. Excessive and prolonged use of hair appliances such as blow dryers, hair-straightening irons, and curling irons may likewise be damaging.
Hereditary thinning or balding – The most common cause of hair loss, it can be inherited from either side of the family. Women with this trait develop thinning hair but do not become completely bald. The condition, called endogenetic alopecia, has no cure, although new medical treatments may help. These include applying a lotion Minoxidil, to the scalp, and hair transplantation, a permanent form of hair replacement that involves surgery. Your dermatologist will help decide which method is right for you.
Alopecia areata – In this type of hair loss, hair usually falls out to leave smooth, round patches about the size of a coin or larger. Rarely is their complete loss of scalp and body hair. This disease may affect children or adults who apart from the hair loss, are generally in excellent health. The cause is unknown and, in most cases, the hair regrows by itself. Dermatologists can treat this condition with topical or oral medications or a special kind of light treatment.
Childbirth – After a woman delivers her baby, some of her strands enter the resting phase and shed within two to three months. This is often reversible.
High fever, server infection, severe flu – Illnesses may trigger hair fallout, which usually corrects bu itself.
Thyroid disease – Both an overactive thyroid and an under-active thyroid can cause hair loss that can be reversed with proper treatment. Your physician can diagnose thyroid disease with laboratory tests.
Inadequate protein in diet – Crash diets low in protein or severely abnormal eating habits may cause protein malnutrition. The body will save protein by shifting growing hairs into the resting phase and massive hair shedding can occur. This condition can be reversed and prevented by following proper protein intake.
Medications – Some prescription drugs may cause temporary hair shedding. These medicines may include those for gout, arthritis, depression, heart problems, high blood pressure, or blood thinning. High doses of vitamin A may also cause shedding.
Cancer treatments – Some cancer treatments will cause hair cells to stop dividing. Patients can lose up to 90 percent of their hair scalp hair, but hair grows back after treatment.
Birth control pills – Women who lose hair while on the Pill usually have an inherited tendency of hair thinning. One solution is to consult your gynecologist about switching to another birth control pill.
Low serum iron – Iron deficiency occasionally produces hair loss. Some people who don’t have enough iron in their diets, or may not fully absorb iron, or have heavy menstrual periods may develop iron deficiency. Low iron can be detected by laboratory tests and corrected by taking iron pills.
Major surgery or chronic illness – a major operation can induce shedding. The condition reverses itself within a few months but people who have a severe chronic illness may shed hair indefinitely.
Fungus infection (ringworm) of the scalp – Ringworm, which has nothing to do with worms, begins with small patches of scaling that can spread and result in broken hair, redness, swelling, and even oozing. This contagious disease is most common in children and cured by oral medication.
Hair pulling (trichotillomania) – Children, and sometimes adults, will twist pull their hair, brows, or lashes until the strands come out. In children, this is often just a bad habit that can be stopped with proper explanation. Sometimes hair pulling can be a coping response to unpleasant stresses and occasionally is a sign of serious mental problem needing professional help.