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Hair guideWill my hair fall out if I stop the pill?

Will my hair fall out if I stop the pill?

✓ 医学的に検証✍️ HairBase編集部📅 最終更新: 2026年6月14日⏱ 1分で読了
💡 まず結論

The pill is not a hair vitamin. Coming off it can unmask a telogen cohort or a genetic pattern that was quieter on estrogen-progestin. Neither is a forum protocol.

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Combined oral contraceptives change the hormonal environment that hair cycles live in. When that environment stops, some people notice more shed two to three months later — classic telogen timing, similar to postpartum shedding in spirit if not in obstetrics. The American College of Obstetricians and Gynecologists and dermatology references discuss contraceptive counselling as a clinician visit, not a hair-loss checkout. Anti-androgenic progestins are sometimes chosen partly for skin; stopping them is not a DHT “rebound calculator” you should invent at home. This page is not medical advice.

If you stopped because of clot risk, migraine with aura, or age-and-smoking rules, do not restart a combined pill to save hair without the prescriber. Progestin-only methods have different labels. Minoxidil on-label is still a dry-scalp leave-on if a dermatologist agrees it belongs. Do not crush finasteride. Photograph the part; do not weigh hair in the drain.

Pregnancy after stopping contraception is a separate file: topical minoxidil and oral 5-ARIs have pregnancy warnings. Ask before conceiving. This is not medical advice.

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📚 根拠・出典

出典: AGA review (CCID) ↗

よくある質問

How long does the shed last?

Telogen cohorts often run a few months. Persistent patterned loss needs a dermatologist. This page does not give a personal calendar.

Should I start finasteride the week I stop the pill?

No automatic start. Finasteride is labelled for men with androgenetic alopecia in the U.S. 1 mg story. Ask a clinician; pregnancy planning matters.

Is spironolactone a swap?

Spironolactone is a prescription with its own potassium and pregnancy issues. Not an OTC hair vitamin.

Does this mean I have AGA?

Not by itself. Family pattern plus exam answers that. A shed after stopping the pill can be telogen, AGA, or both.

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医療アドバイスではありません。 一般的な教育のみを目的とし、有資格の専門家による診断や治療に代わるものではありません。いかなる治療を開始・中止・変更する前にも、認定皮膚科医に相談してください。

⚠️ 医師の診察を受けるべきとき — 自己治療しないで

  • 突然のまだら、または円形のはげ
  • 赤み・鱗屑・膿・痛み・かゆみ(瘢痕性脱毛の可能性 — 緊急に治療を)
  • 切れ毛、または急速な脱毛
  • 全身性の徴候を伴う脱毛(体重減少、倦怠感、月経の変化、ニキビ、毛の増加)
  • 新しい薬の直後の脱毛
  • 子どものあらゆる脱毛
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