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Hair guide β€Ί Can a crash diet cause hair shedding?

Can a crash diet cause hair shedding?

βœ“ Medically reviewed✍️ HairBase editorial teamπŸ“… Last updated: June 14, 2026⏱ 1 min read
πŸ’‘ Quick answer

A contest-prep drain is not instant AGA. Photograph; restore nutrition with professionals β€” not extra foam.

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Questions answered here
Key termsMinoxidilFinasteride

AAD shedding pages already name crash diets among telogen triggers. Miniaturising parts remain pattern until examined. This page will not invent a PMID. Related: intermittent-fasting-hair-shed β€” different URL.

Do not start oral finasteride from a food-log screenshot. Do not double minoxidil during a refeed.

Fainting, bradycardia, or a child who is not being fed is emergency/paediatric care. This is not medical advice.

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πŸ“š Sources

Sources: AAD β€” shedding β†—

FAQ

Will hair return if I eat again?

Telogen often settles if the trigger settles. Pattern still needs an exam.

Same as fasting page?

Related calorie clock, different URL. This file is crash-diet search.

More minoxidil to recover faster?

No. Follow the carton if you use it.

Is it AGA?

Only an exam can say.

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Not medical advice. General education only; it does not replace diagnosis or treatment by a licensed professional. Figures such as 1 mg or 5% are labelled strengths you may see in your country β€” not a dosing instruction. Consult a board-certified dermatologist before starting, stopping or changing any treatment.

⚠️ When to see a doctor β€” don’t self-treat

  • Sudden patchy or circular bald spots
  • Redness, scaling, pus, pain or itch (possible scarring alopecia β€” treat urgently)
  • Broken hairs or rapid loss
  • Loss with body-wide signs (weight loss, fatigue, cycle changes, acne, extra hair)
  • Loss right after a new medication
  • Any hair loss in a child
Try the free self-check β†’
Try the free self-check β†’