Alopecia, the loss of hair from the head or body, sometimes to the extent of baldness can be caused by any of the following;
- Androgenic alopecia (male pattern baldness)
- Fungal infection such as "black dot" tinea or tinea capitis
- Chemical breakage such as over processing or frequent use of chemical relaxer
- Heat damage as from repeated hot comb use
- Chronic exposure to traction on hair shaft such as Traction alopecia
- Compulsive hair pulling such as trichotillomania
- Hyperthyroidism or hypothyroidism
- Iron deficiency
- Telogen effluvium resulting from physical or psychological stress
- Hereditary disorder of the hair shaft or genodermatoses
- Secondary syphilis can cause "moth-eaten" hairloss
- Discoid lupus erythematosus or chronic cutanous lupus erythematosus
- Lichenplanopilaris
- Pseudopelade of Brocq
- Tufted folliculitis
- Dissecting cellulitis
- Alopecia mucinosa
- Keratosis follicularis spinulosa decalvans
- Adverse effect from certain drugs such as chemotherapy
- Radiation therapy or other radiation exposure
- Hypervitaminosis A
Further Reading
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