Sudden or excessive hair fall is frequently driven by something measurable — low iron, thyroid problems, or vitamin D/B12 deficiency. A few targeted tests point you and your doctor to the real cause.
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Most non-scarring hair loss in adults traces back to nutritional and hormonal factors. Iron deficiency (low ferritin), thyroid imbalance and low vitamin D or B12 are the usual suspects, and all are treatable.
A focused panel — iron studies, a thyroid test and vitamin D/B12, with a CBC — covers the common causes. In women with other features like irregular periods or acne, hormone tests may be added by your doctor.
6 curated lab tests — your doctor decides which you actually need.
Commonly an iron profile (ferritin), a thyroid test and vitamin D/B12 — with a CBC. These identify the most frequent, treatable causes of hair loss.
Yes. Both an underactive and overactive thyroid can cause diffuse hair thinning, which often improves once the thyroid is treated.
Ferritin (stored iron) is the key marker for hair loss, and it is included in the iron profile along with serum iron, TIBC and transferrin saturation for a fuller picture.
Medical disclaimer
This guide is for general awareness and does not replace medical advice. Symptoms can have many causes; which tests you need depends on your history. Always consult a registered medical practitioner to interpret results and decide on treatment.
