There are several types of hair disordersthat cause loss of hair and rashes in the scalp. While many scalp conditions are hereditary, others are caused due to malnutrition, infections or certain medications. Some of the most commonhair disordersthat involve loss of hair are androgenetic alopecia which is baldness in a specific pattern and afflicts about 80 percent of individuals by the time they have reached 70. You may also have to visit your trichologist if you are suffering from hair loss during the growth phase of the hair and it may be caused due to any drugs or treatments such as chemotherapy or steroidal medicine. You would also requirehair disease treatmentwhich depends on the types of disorders you are facing and give the optimal results. The hair loss during its resting phase can be caused by mental or physical stress. There is hardly any person all over the world who has not suffered from any kind of problems that have affected scalp and hair and these disorders include fungal diseases, hair loss, and infections resulting in itching and scaling. Hair loss is the most troublesome problem for most people and it can affect men and women alike. If you experience hair loss that's more than normal, you may have inherited the tendency of common baldness. There are two types of baldness, male pattern, where the hairline recedes and leads to baldness at the top of the head and female pattern baldness where the hair becomes thin all over the scalp gradually.