There are many treatments available for hair loss and it would be worthwhile doing your research before you undertake any drastic measures in order to get your hair back. Most doctors would recommend medication for your hair loss and also ask that you examine your lifestyle, your work life balance and other stresses that you may have in your life that could contribute to the reasons why you are suffering from hair loss.
Your doctor may also refer you to a doctor who specialises in hair loss called a trichologists. They know everything there is to know about hair loss and will be able to point you in the right direction when it come to treatment and ensure that you are having your scalp regularly checked to keep an eye on the hair loss that you are suffering.
You could also think about having some alternative treatments for your hair loss in order to boost whatever you might already be doing. It can be a difficult time but if you relax and start to take life a little less seriously, there is a good chance that your hair will return. It may take some time but you may get a full head of hair back again.