Leads to a gradual, diffuse thinning and miniaturization of hair over many years, not the acute, increased shedding seen in telogen effluvium.
A severe form of alopecia areata resulting in the complete loss of all scalp hair, not just diffuse thinning.
A massive, abrupt shedding of hair due to an interruption of the growing phase, most commonly seen with chemotherapy, resulting in near-total hair loss quickly.
Can mimic telogen effluvium, but is distinguished by the presence of 'exclamation point' hairs and a positive pull test yielding dystrophic hairs.
A progressive, patterned hair loss with widening of the central part and preservation of the frontal hairline, due to follicular miniaturization.
Can cause diffuse hair loss, but is also associated with coarse, brittle hair and other systemic signs like fatigue, weight gain, and cold intolerance.
A common cause of diffuse hair shedding, diagnosed by low serum ferritin levels, and often presents with other symptoms like fatigue and pallor.
