Telogen effluvium is a form of hair loss that I see frequently in my practice, especially in patients who've experienced significant stress, illness, or major life changes. Unlike androgenetic alopecia, which is gradual, telogen effluvium can appear suddenly and dramatically.
Here's what happens: normally, about 85% of your hair is in the growth phase (anagen) and 15% is in the resting phase (telogen). With telogen effluvium, a stressful event causes a large percentage of hairs to prematurely enter the resting phase. Two to three months later, these hairs shed all at once, creating the appearance of sudden, significant hair loss.
Common triggers include major surgery, severe illness, significant weight loss, emotional trauma, hormonal changes, and even extreme stress. I've seen patients experience telogen effluvium after starting new medications, going through divorce, or dealing with work-related stress.
The good news is that telogen effluvium is usually temporary and self-limiting. Once the stressor is removed or resolved, hair typically regrows within 3-6 months. However, the psychological impact can be significant, and patients often want to do something to support recovery.
My approach includes addressing the underlying stressor if possible, ensuring adequate nutrition (especially iron, zinc, and B vitamins), managing stress through relaxation techniques, and sometimes using minoxidil or low-level laser therapy to support hair regrowth.
It's important to distinguish telogen effluvium from androgenetic alopecia. With telogen effluvium, you typically see diffuse shedding across the scalp. With androgenetic alopecia, you see patterned hair loss (receding hairline, crown thinning, or overall thinning). A dermatologist can usually distinguish between the two with a clinical examination.
If you're experiencing sudden hair loss, don't panic. Schedule a consultation to determine the cause. If it's telogen effluvium, the prognosis is excellent. Most patients recover fully with time and appropriate support.
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