Body Hair

 Alopecia:

Causes: 

• 1. Male pattern baldness
  
• 2. scalp infection 
  
• 3. loss of club hair after febrile illness or pigmentation.
  
• 4. Alopecia areata 
  
• 5. systemic diseases -syphilis ,hypothyroidism 
  
• 6.drugs - OCP , cytotoxic