Visible loss of existing scalp hair is defined as hair fall or medically – Alopecia. Alopecia can be seen in small patches over the head known as Alopecia Areata or all over the head called Alopecia Totalis and sometimes all over the body mainly Alopecia Universalis. A number of reasons can lead to hair fall right from something physiological like post-pregnancy to as unnoticeable as a dietary deficiency of proteins to thyroid disorders to graver systemic affections like SLE (Systemic Lupus Erythematosus).
Below are listed a few causes which might cause hair fall:
- Heredity mainly Androgenetic.
- Deficiency of vitamin A, C, E, B1, B6, calcium, manganese, zinc, cobalt, protein in diet.
- Infections either fungal, viral or bacterial.
- Hypothyroidism and Hyperthyroidism.
- Autoimmune conditions like SLE.
- Acute fevers especially. typhoid fever, malaria.
- Chemotherapy, Radiotherapy.
- Major trauma, surgery.
- Emotional stress.