If you have hair loss, you may want to see a doctor if you want to prevent balding. 
See your doctor if you are losing large amounts of hair every day, and if you are not feeling well at the same time you are losing hair. 
Most often hair loss occurs without other signs of illness. 
If the following symptoms occur at the same time as hair loss, you may have a serious medical condition and you should see a doctor right away. 
Confusion 
Poor appetite 
Constipation 
Diarrhea 
Trouble breathing 
Weight loss 
Vomiting 
Fever 
Pain 
Skin problems
 
