1) Here is a list of some of the common reasons for hair loss:

a)Overdose of vitamin A

Overdose of vitamin A. Do not eat vitamin supplements unless prescribed by the doctor. Also check that you are having a diet that has balanced amount of vitamins and minerals and does not provide you overdose of a specific vitamin.

b)Antidepressant therapy

This therapy is really important for people with symptoms of severe depression. However, some of these medications may lead to loose your hair. Ask your doctor to prescribe some other medicines to you.

c)Over or under active thyroids

Thyroid problems may lead to severe hair loss. Get your TSH T4 tests done immediately and get appropriate treatment.

d)Pregnancy

Pregnant women tend to lose more hair within a period of about three month after their delivery. The reason is that one experiences high levels of certain hormones during pregnancy. This keeps the hair intact that would normally fall out. Once the hormones return to normal levels, these hairs fall out and normal growth cycle starts.

e)Improper hair care

This may be one of the main causes. People tend to indulge in excessive combing, brushing, and hair unfriendly hair styles such as braids, ponytails that pull the hair. Over usage of chemicals such as dyes and bleaches tend to result in hair loss.

f)DHT level

Excessive levels of DHT, because it prevents the availability of the nutrients to the hair, thereby causing hair falling.

g)Protein and iron deficiency

This is the major reasons. Unfortunately, hair falling starts only when the body recognizes the deficiency. This would be after about three months of deficiency. You can solve this problem easily via including good amount of protein and iron in your diet.

h)Medications

Medications prescribed for arthritis, birth control pills, blood pressure and depression can result in hair loss. You must consult your physician or health care practitioner to get another medicine prescribed for your problems.

2) Here are some other causes:

a)Use of blood thinners

b)Hormonal problems, Hormonal imbalance

c)Chemotherapy medicines, Cancer therapy

d)Stress

e)Genetic

f)Scalp and fungal infections

g)Long illness, Diabetes, Lupus

h)Male or female pattern baldness

i)Surgery

j)Anticoagulants

There are several reasons for loosing hair as mentioned above. However, treatment given on time will definitely save you from a lot of embarrassment. Do not take supplements without consulting a physician or get into any hair treatment.

Watch out for hair fall symptoms and act instantly.