<prompt> A female patient presents with diffuse alopecia. There is no other significant past or present complain except that she had suffered from typhoid fever 4 months back. What would be the most probable diagnosis is:Androgenetic alopeciaTelogen effluviumAnagen effluviumAlopecia areata  <response>: Ans. B. Telogen effluviumAnagen Effluvium - hair loss during anagen - the onset may be rapid within 2-4 weeks of the cause. Hair loss may be severe. Causes include: - Chemotherapy drugs antimitotic agents, Radiotherapy, Malnutrition, Seborrheic dermatitis, Oral contraceptives, Vitamin A poisoning, Iron deficiency, Chronic infections and some drugs.Telogen Effluvium - relating to a specific form of diffuse alopecia - eviction of hair shafts that have prematurely entered the telogen phase. Excessive loss of hair can occur. Telogen Effluvium tends to become apparent 6-12 weeks following the cause. Such a hair loss can result in 1-2cm stubble in extreme cases within weeks. Causes include: Pyrexia body temperature reaching 103.5degC, Childbirth rare, severe infection especially toxemia, major surgery, protein deficiency due to unsupervised crash diets, drugs including beta blockers, anti-depressants, severe psychological stress. 