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Telogen Effluvium

18 articles, newest first.

ResearchInflammationTelogen Effluvium
COVID-19 Hair Loss Three Years On: What the Long-Term Data Tells Us
Post-COVID telogen effluvium was one of the most widely reported symptoms of long COVID. Three years on, research from 40,000 patients answers the questions that early reports couldn't: how many recover, and who doesn't?
Apr 27, 2026·24 days ago·Liam Foster
ResearchNutritionTelogen Effluvium
Biotin and Hair Loss: What the Evidence Actually Shows (It's Not What the Supplement Industry Tells You)
Biotin supplements for hair loss generate over $2 billion in annual sales. The evidence base for this billion-dollar market is thinner than most users suspect, and the cases where biotin genuinely helps are narrower than marketing implies.
Apr 23, 2026·28 days ago·Liam Foster
Telogen EffluviumResearchNutrition
Semaglutide and Hair Loss: What 18 Months of Real-World Data Shows
GLP-1 receptor agonists like semaglutide produce rapid weight loss, and a small but consistent fraction of users report telogen effluvium. The mechanism is now clearer.
Apr 8, 2026·about 1 month ago·Liam Foster
Telogen EffluviumResearchTreatment
Isotretinoin Hair Loss: How Common It Actually Is and What Recovery Looks Like
Isotretinoin is one of the most effective acne drugs ever developed. It also causes telogen effluvium in a meaningful minority of users, here's the data on incidence and recovery.
Apr 3, 2026·about 2 months ago·Dr. Maya Chen
NutritionTelogen EffluviumResearch
Iron Supplementation for Hair Loss: Why Ferritin Below 70 Is the Real Threshold
Most physicians say ferritin within the normal range is fine. For hair loss, the relevant threshold appears to be substantially higher than the general anemia cutoff.
Mar 15, 2026·2 months ago·Dr. Maya Chen
NutritionResearchTelogen Effluvium
Vitamin D Deficiency and Hair Loss: The Causal Question Is Still Open
Vitamin D receptors are expressed on hair follicle cells, and deficient patients often have hair loss. Whether supplementation reverses the loss is a more complicated question.
Mar 10, 2026·2 months ago·Liam Foster
Telogen EffluviumFemale Pattern Hair LossResearch
Postpartum Hair Loss: Timing, Severity, and When to Worry
Postpartum hair shedding affects roughly half of new mothers. The timing is predictable, the cause is well understood, but a meaningful minority of women have persistent effects.
Feb 26, 2026·3 months ago·Liam Foster
Telogen EffluviumResearchDiagnosis
Thyroid Hormone and Hair Loss: Both Hypo and Hyperthyroidism Trigger Shedding
Hypothyroidism and hyperthyroidism both cause hair loss, but through different mechanisms. Testing TSH is the most basic workup item for unexplained shedding, and one of the most commonly overlooked.
Feb 14, 2026·3 months ago·Dr. Maya Chen
Telogen EffluviumNutritionResearch
Telogen Effluvium After Bariatric Surgery: What 5-Year Data Reveals
Significant weight loss after bariatric surgery triggers telogen effluvium in roughly half of patients. The long-term recovery data is more complicated than acute studies suggested.
Dec 4, 2025·6 months ago·Dr. Maya Chen
ResearchLifestyleTelogen Effluvium
Sleep, Cortisol, and Hair Loss: A Real but Often Overstated Connection
Chronic sleep deprivation elevates cortisol and inflammatory markers. The connection to hair loss is real but commonly exaggerated, here's where the evidence actually sits.
Oct 10, 2025·7 months ago·Dr. Maya Chen
DiagnosisTelogen EffluviumResearch
Hair Pull Test: The Diagnostic Procedure Anyone Can Perform
The hair pull test is one of the simplest diagnostic procedures in dermatology. Performed correctly, it distinguishes active telogen effluvium from stable hair loss.
Aug 18, 2025·9 months ago·Liam Foster
Telogen EffluviumResearchDiagnosis
Hair Loss After COVID Vaccination: Causation vs Correlation
Reports of hair loss following COVID vaccination prompted public concern. The epidemiological data shows the connection is complicated and largely explained by other factors.
Aug 16, 2025·9 months ago·Dr. Maya Chen
Telogen EffluviumDiagnosisTreatment
Hair Loss From Common Medications: A Reference for What to Watch For
Many widely prescribed medications can cause hair loss. Recognising medication as a potential cause prevents unnecessary workup and enables treatment adjustment.
Jul 30, 2025·10 months ago·Dr. Maya Chen
NutritionTelogen EffluviumResearch
Selenium and Hair Loss: Why More Is Not Better
Selenium is essential for hair growth, but the therapeutic window is narrower than most supplements suggest. Both deficiency and excess cause hair loss.
Jul 23, 2025·10 months ago·Dr. Maya Chen
NutritionTelogen EffluviumResearch
Zinc Deficiency and Hair Loss: Less Common Than Marketing Suggests
Zinc deficiency causes hair loss when present, but true deficiency is uncommon in Western diets. The widespread inclusion of zinc in hair supplements isn't justified by population-level prevalence.
Jul 6, 2025·11 months ago·Dr. Maya Chen
Telogen EffluviumDiagnosisTreatment
Anagen Effluvium: When Hair Loss Comes Mid-Cycle
Anagen effluvium describes hair loss from follicles in growth phase, most commonly from chemotherapy. Understanding the mechanism helps distinguish it from telogen effluvium.
Jun 24, 2025·11 months ago·Liam Foster
Telogen EffluviumNutritionLifestyle
Hair Loss in Endurance Athletes: Energy Availability and Telogen Effluvium
Female endurance athletes with low energy availability frequently develop hair loss alongside other features of relative energy deficiency in sport (RED-S).
May 31, 2025·12 months ago·Liam Foster
Telogen EffluviumNutritionResearch
Hair Loss From PPI Use: A Connection With Plausibility but Modest Evidence
Long-term proton pump inhibitor use has been linked to telogen effluvium in some studies. The mechanism is plausible through micronutrient absorption effects.
May 24, 2025·12 months ago·Liam Foster

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Telogen Effluvium

COVID-19 Hair Loss Three Years On: What the Long-Term Data Tells Us

Biotin and Hair Loss: What the Evidence Actually Shows (It's Not What the Supplement Industry Tells You)

Semaglutide and Hair Loss: What 18 Months of Real-World Data Shows

Isotretinoin Hair Loss: How Common It Actually Is and What Recovery Looks Like

Iron Supplementation for Hair Loss: Why Ferritin Below 70 Is the Real Threshold

Vitamin D Deficiency and Hair Loss: The Causal Question Is Still Open

Postpartum Hair Loss: Timing, Severity, and When to Worry

Thyroid Hormone and Hair Loss: Both Hypo and Hyperthyroidism Trigger Shedding

Telogen Effluvium After Bariatric Surgery: What 5-Year Data Reveals

Sleep, Cortisol, and Hair Loss: A Real but Often Overstated Connection

Hair Pull Test: The Diagnostic Procedure Anyone Can Perform

Hair Loss After COVID Vaccination: Causation vs Correlation

Hair Loss From Common Medications: A Reference for What to Watch For

Selenium and Hair Loss: Why More Is Not Better

Zinc Deficiency and Hair Loss: Less Common Than Marketing Suggests

Anagen Effluvium: When Hair Loss Comes Mid-Cycle

Hair Loss in Endurance Athletes: Energy Availability and Telogen Effluvium

Hair Loss From PPI Use: A Connection With Plausibility but Modest Evidence