How Long Does Telogen Effluvium Last? Discover the Duration of Hair Shedding
Telogen effluvium (TE) is a common yet temporary type of non-scarring hair shedding problem. It occurs when an abnormal number of scalp hairs prematurely enter the telogen or resting phase of the hair growth cycle. Many wonder how long this condition tends to persist for most people.
How long does telogen effluvium last?
For the majority of TE cases, hair loss peaks around 3 months after the triggering event and shedding gradually decreases over the next 3-6 months as new growth cycles begin. Around 50-80% of patients notice significant regrowth within 6-9 months, and over 90% recover within 1 year. However, in some cases recovery may take longer at 12-18 months.
Factors influencing duration
Several factors influence how long TE shedding lasts: how severe the trigger was, whether the trigger is ongoing or has stopped, the health and resilience of the hair follicles, and the individual’s age and sex. Younger females tend to recover faster from TE than older males. Recurrent moderate triggers may lead to drawn-out episodes.
Common causes of telogen effluvium
Stress (both emotional and physical), crash dieting/rapid weight loss, periods of illness/high fever, thyroid abnormalities, crash dieting, major surgery, childbirth, and changes in hormonal birth control are typical triggers that can alter the hair cycle and cause TE shedding 2-4 months post-event.
In summary, while every case is different, the majority of telogen effluvium episodes self-resolve within 6-9 months as the hair follicles recover and restore normal cycling and growth patterns. Seeking medical guidance is recommended if shedding persists unusually long or worsens over time.