Telogen effluvium

Because TE often settles on its own once the trigger has passed, many clinicians first confirm the pattern and then monitor it over time. Some people note how much hair they see over weeks, or take dated photos of the part line in the same light.

Often considered when the history fits (a clear trigger 2 to 3 months earlier), the scalp looks healthy, and there are no patches or scalp symptoms.

Less suitable as the only plan when there are patches, scarring signs, scalp symptoms, or shedding past about 6 months.

Counting hairs is not exact, and daily numbers vary. Notice any change in pattern, such as a widening part or patches.

Often several months, because regrowth is slow.

• How sure are you that this is shedding and not thinning?
• What would make you want to see me again?
• Should I take dated photos, and how?

Gentle handling means avoiding extra stress on hair that is already shedding. Clinicians often talk about loose styles, soft brushes, and limiting heat and harsh chemical treatments. Washing does not cause TE; hairs that were going to shed simply come out in the shower.

Often considered for anyone with shedding, and especially with tight styles, braids, extensions, frequent heat, bleaching, or relaxers.

Less suitable as a cure. Hair care helps protect the hair you have but does not stop a TE episode.

Breakage (short, snapped hairs) is different from shedding (hairs with a small white bulb at the end). Tight styles can cause a separate type of hair loss.

Benefits are about hair health over weeks to months.

• Which of my styling habits might be adding to the problem?
• How often is reasonable to wash my hair?
• Are there safe options for my hair texture?

Biotin and multi-ingredient hair vitamins are widely marketed for hair. In people who are not deficient, there is little good evidence that they help. True biotin deficiency is rare.

Sometimes considered when a clinician has found a real deficiency or when someone chooses to try one anyway, after discussing it.

Less suitable before lab tests, because biotin can cause falsely high or low results. Some products contain many other ingredients or high amounts of vitamins and minerals.

Acne-like breakouts and stomach upset are reported by some. Tell every clinician and lab about all supplements you take.

Any change would be hard to separate from natural regrowth, which also takes months.

• Is there any reason for me to take a supplement?
• Should I stop my current supplement before blood tests?
• Is my supplement safe with my other medicines?

Minoxidil is a liquid or foam put on the scalp that is sold over the counter for pattern hair loss. It is not a standard treatment for TE, since TE usually regrows on its own. Some clinicians discuss it when shedding is long-lasting or when pattern hair loss is also present.

Often considered when TE overlaps with pattern thinning, or when someone wants to try to speed density while waiting, after a clinician's input.

Less suitable with scalp irritation or certain heart or kidney conditions, and during pregnancy or breastfeeding unless a clinician advises. It is not needed for most acute TE.

Scalp itching, dryness, and flaking are common. A temporary increase in shedding can happen early and can look like a setback. Swelling, chest pain, or a fast heartbeat need prompt medical attention.

Several months of regular use are usually needed to judge, and benefits stop if it is stopped.

• Would minoxidil add anything for me, or is waiting enough?
• Could I have pattern thinning too?
• What should I expect in the first few months?

A clinician looks at the scalp, part line, and hair pattern, and may do a gentle pull test. In this test, a small bunch of hairs is held and lightly tugged to see how many come out and whether they are resting hairs. Sometimes a handheld magnifier (dermoscopy) is used. A scalp biopsy is rarely needed.

Often considered when it is unclear if the loss is shedding, thinning, patchy, or scarring.

Less suitable when the scalp is very tender or inflamed. The pull test is only a snapshot, and one result can be misleading.

A pull test that shows many hairs supports active shedding but does not tell the cause. A biopsy leaves a small wound and a small scar.

Done in one visit; results are discussed the same day.

• Can you check my scalp for signs of scarring or patchy loss?
• What did the pull test show, and what does it mean?
• Do I need a biopsy, and why or why not?

Clinicians sometimes check blood tests to look for treatable contributors, such as thyroid function (TSH), a blood count, and iron stores (ferritin). Which tests make sense depends on your history, diet, periods, medicines, and other symptoms. Not everyone needs a long panel.

Often considered when there are other symptoms, heavy periods, a restricted diet, a thyroid history, or shedding that is long-lasting or severe.

Less suitable as a routine long list for everyone, since borderline results can lead to extra worry or unneeded supplements.

Biotin supplements can distort some lab results, including thyroid tests, so tell the care team if you take them. Normal results are common and still fine.

Results usually come back within days; hair recovery then takes months.

• Which blood tests make sense for me, and which can I skip?
• Should I stop biotin before testing?
• If a result is borderline, what would we do with it?

If testing shows a deficiency, clinicians may discuss replacing iron or vitamin D, and checking why it is low. When levels are normal, extra iron or vitamin D has not been shown to help TE.

Often considered when blood tests show low iron stores or low vitamin D, or when diet, heavy periods, or absorption problems make a deficiency likely.

Less suitable when levels are normal. Iron can be harmful in people with iron overload conditions, and too much vitamin D can raise blood calcium. Pregnancy and other medicines need review.

Iron can upset the stomach or change stool color. Levels are usually rechecked by the clinician to guide how long it is needed.

Correcting a deficiency can take months, and hair changes lag behind.

• Is my iron or vitamin D actually low?
• If it is low, what could be causing it?
• How will we know when I no longer need it?

When shedding lasts beyond about 6 months, or TE seems to reveal underlying pattern hair loss, clinicians may look at other causes and discuss medicines used for pattern hair loss. The choice depends on sex, age, pregnancy plans, health history, and goals.

Often considered for chronic shedding, a widening part, or a family history of pattern hair loss, after an exam rules out other causes.

Less suitable during pregnancy or when planning pregnancy for several of these medicines. Each option has its own cautions that a clinician reviews.

Side effects differ by medicine, so ask about them before starting. Some options affect hormones, blood pressure, or mood.

Usually judged over 6 months or more.

• Do I have shedding, pattern thinning, or both?
• What are the options, and which fits my health and plans?
• How long before we decide if it is working?

Because TE follows body stress, supporting recovery is a common focus: steady meals with enough protein and calories, regular sleep, gentle activity, and help for ongoing stress or low mood.

Often considered for everyone with TE, and especially when the trigger was a diet, illness, or a stressful period that is still going.

Less suitable as a cure or a quick fix. Avoid strict or fad diets; they can themselves trigger shedding.

If mood, anxiety, or an eating problem is part of the picture, mention it to a clinician.

Recovery tracks the body settling, often over months.

• Could my eating, sleep, or stress be keeping the shedding going?
• Who can help if I am under long-term stress?
• Is it safe for me to change my diet?