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SYMPTOM · General Medicine

Hair fall (telogen effluvium / androgenic alopecia)

Also known as: Hair fall · Baal jhadna · Hair loss · ಕೂದಲು ಉದುರುವಿಕೆ

Hair fall is very common and almost always has a finding-able cause — thyroid, iron deficiency, PMOS, post-pregnancy hormone shift, or genetic pattern hair loss. Many cases reverse with the right treatment.

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SHOULD YOU COME IN?

When to come urgently vs book a routine OPD

  • Urgent

    OPD within 1-2 weeks

    Sudden patchy hair loss (alopecia areata); hair fall with scalp itching or scaling; rapidly progressive thinning over weeks rather than months.

  • Routine OPD

    Routine OPD

    Diffuse hair fall lasting more than 3 months; postpartum hair fall that hasn't settled by 9-12 months after delivery; hair thinning of the crown / parting; family history of pattern hair loss.

Losing 50-100 hairs a day is normal. Losing visibly more than that — clumps in the shower, visible thinning of the parting, receding hairline — deserves an evaluation. Most cases in our OPD turn out to have one or more of a small set of treatable causes.

Common causes

  • Telogen effluvium — a stress-induced shedding where a large fraction of hairs synchronously enter the shedding phase. Triggered by: severe illness, surgery, childbirth (postpartum hair fall), significant weight loss, severe emotional stress, certain medications. Usually self-resolves over 6-9 months.
  • Iron deficiency — extremely common in Indian women. Often co-exists with fatigue.
  • Thyroid disease — both hypo- and hyperthyroidism cause diffuse hair fall.
  • PMOS / hormonal imbalance — androgen-pattern hair thinning of the crown / parting.
  • Vitamin D and B12 deficiency — common contributors.
  • Androgenic alopecia (male / female pattern baldness) — genetic, gradually progressive. Different pattern in men (receding hairline + crown thinning) vs women (diffuse crown thinning, hairline usually preserved).
  • Alopecia areata — discrete bald patches, autoimmune in origin.
  • Tinea capitis — fungal scalp infection, more common in children.

Standard workup

For new hair fall at Asian Hospital we do: CBC + ferritin (iron stores) + TSH + vitamin D + B12 + zinc. For women with possible androgen pattern we add the hormone panel from the PMOS workup. Total ~₹2,500-3,500.

Treatment

Reversible causes (iron, vitamin D, thyroid, B12) — supplementation usually restores hair within 3-6 months. Telogen effluvium — patience; reassurance; address the trigger; usually self-resolves. Androgenic alopecia — minoxidil (topical, sometimes oral), finasteride (in men), micro-needling, PRP (platelet-rich plasma) in selected cases. Severe cases — referral to hair-transplant specialist.

Hair fall is one of those problems where being seen early matters: catching iron deficiency or thyroid disease in the first 3-6 months prevents prolonged thinning. Don't wait for "winter shedding to settle".

Common causes of hair fall

Tap any cause for a deep-dive — symptoms, treatment, costs.

  • Thyroid disease
  • PMOS / PCOS (androgenic pattern)
  • Iron / vitamin deficiency
  • Alopecia areata

Related symptoms

  • Fatigue
  • Irregular periods

FREQUENTLY ASKED

Hair fall — common questions

MA

Medically reviewed by

Dr Md Shoeb Aslam

General Medicine · last reviewed 16 May 2026

This page is informational. It does not replace a consultation with a qualified doctor. If you are unsure, please come to casualty or call reception (+91 96064 96370).

Other symptoms

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