hair loss causes
Other causes of hair loss, especially if it is in an unusual pattern, include: 1  Alopecia areata (bald patches on the scalp, beard, and, possibly, eyebrows; eyelashes may fall out). 2  Anemia. 3  Autoimmune conditions such as lupus. 4  Burns. Certain infectious diseases such as syphilis.  Excessive shampooing and blow- 1 drying. Hormone changes.  Thyroid diseases.
Causes of this type of hair loss are: 1  High fever or severe infection. 2  Childbirth. 3  Major surgery, major illness, sudden blood loss.  Severe emotional 1  stress. Crash diets, especially those that do not contain enough protein.