Risk Factors

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Several risk factors that may cause Alopecia include:

  • Genetic factors: Alopecia tends to run in families.
  • Stress is an important precipitating factor in hair loss. Long term chronic stress or sudden stressful situations (e.g. emotional trauma of a family death or involvement in an accident) may act as triggers for alopecia.
  • Local injury
  • Viral and bacterial infections
  • Autoimmune disorders like Hashimoto’s Thyroiditis, Addison’s disease, leucoderma
  • Allergic problems (like asthma, dermatitis)
  • Nutritional deficiency: Lack of zinc, iron, vitamin B complex in the diet.
  • Chemotherapy and radiation therapy¬†¬†
  • Hormonal changes as seen in pregnancy, menopause or thyroid disorders.
  • Excessive shampooing and blow drying.
  • Prolonged illness like typhoid, tuberculosis, viral hepatitis.
  • Skin diseases like ringworm infection, lichen planus, syphilis.
  • Medications like oral contraceptives, methotrexate, colchicine
  • Trichotillomania: It is a type of compulsive behavior characterized by pulling and twisting of the hair until it breaks