*With common pattern baldness, the loss is gradual. It can start as early as puberty, or very late in life.
*Sudden loss of hair, or loss in clumps usually indicates a different problem. This type of symptom could be caused by a number of factors, including hormonal changes, medications, thyroid problems, among others.
Cause of hair problems:
The cause of hair loss is most commonly related to male gender, hormonal changes and genetics. Medications can be another reason for the hair loss.
