Hair Fall has following underlying causes-
- Genetics: Hairfall may run in families due to its genetic link.
- Fungal Infections such as tinea capitis
- Cancer treatment like chemotherapy or radiotherapy
- Iron deficiency
- Autoimmune diseases and diabetes
- Trauma caused by excess hair pull as in pony tails, violent hair brushing, heat styling, chemical treatment on hair (hair color, straightening & curling)
- Dandruff (Chemical treatment for the dandruff)
- Hormonal Imbalance as seen in cases of hypothyroidism, PCOS, menopause, after pregnancy.
- Poor nutrition, excessive dieting, high fever
- Stressful life events like loss of loved one
- Certain medications prescribed for blood pressure, heart disease, diabetes .
- Psychiatric diseases like Trichotillomania where patient pulls his hair. This can damage hair roots.