医薬品リファレンス
Hydroquinone
Hydroquinone is a medicine in the class miscellaneous. It is used for melasma.
- 薬効分類: Miscellaneous
- 効能・効果: melasma
最終更新日 出典: US FDA label
医療従事者向け・参照専用。このページは簡潔な要約であり、医学的助言ではなく、公式の添付文書や臨床判断に代わるものではありません。処方・調剤の前に必ず確認してください。
このページの臨床コンテンツは英語でのみ提供されています。
要点
- 薬効分類
- Miscellaneous
- 一般的な剤形
- クリーム剤, 溶液, ゲル剤
- 一般的な規格
- 40 mg/g, 4%, 2%
- 商品名
- 16
- 国・市場
- 3
何に使われるか
作用のしくみ
Topical hydroquinone produces reversible depigmentation of the skin by inhibiting the enzymatic oxidation of tyrosine to dopa and suppressing other melanocyte metabolic processes.
成人の通常用量（添付文書の要約）
Hyperpigmented skin conditions (chloasma, melasma, freckles, senile lentigines): apply to affected areas topically twice daily, morning and before bedtime, or as directed by a physician; discontinue if no lightening after two months
妊娠と授乳
- 妊娠
- Unknown Topical skin lightener; unlike most skin products, a relatively high share of applied hydroquinone is absorbed. No animal studies and very limited human data (US label: use only if clearly needed). Skin lightening can wait: avoid in pregnancy, as melasma often fades after delivery.
- 授乳
- Unknown Not studied in breastfeeding. LactMed: not contraindicated, but some experts advise against long-term use. If used, keep the infant's skin and mouth away from treated areas.
報告されている副作用
- Localized contact dermatitis (cutaneous hypersensitivity)
- Blue-black skin darkening (rare)
禁忌
- Prior history of sensitivity or allergic reaction to hydroquinone or any of the other ingredients.
注意が必要な方
- Depigmenting agent that may produce unwanted cosmetic effects if not used as directed.
- Test skin sensitivity first by applying a small amount to an unbroken skin patch and checking within 24 hours; stop if itching, vesicle formation or excessive inflammation occurs.
- Avoid contact with the eyes.
妊娠中または授乳中であること、腎臓や肝臓の病気、アレルギー、ほかに使用しているすべての薬やサプリメントについて、薬剤師または医師にお伝えください。
Pro+会員向け
ページ全体を見る
アカウントを作成してPro+トライアルを始めると、Hydroquinoneの完全なモノグラフ（用量、妊娠・授乳、副作用、警告、すべての相互作用）を表示できます。
- Dosing by age, kidney and liver function, and further dose lines
- Renal and hepatic dose adjustments
- Paediatric dosing
- How to give it
- Patient counselling points
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同じ分類のほかの薬剤
よくある質問
What is Hydroquinone used for?
Hydroquinone is a medicine in the class miscellaneous. It is used for Melasma.
What side effects have been reported with Hydroquinone?
Localized contact dermatitis (cutaneous hypersensitivity), Blue-black skin darkening (rare).
Can Hydroquinone be taken in pregnancy or while breastfeeding?
Pregnancy: Unknown. Topical skin lightener; unlike most skin products, a relatively high share of applied hydroquinone is absorbed. No animal studies and very limited human data (US label: use only if clearly needed). Skin lightening can wait: avoid in pregnancy, as melasma often fades after delivery. Breastfeeding: Unknown. Not studied in breastfeeding. LactMed: not contraindicated, but some experts advise against long-term use. If used, keep the infant's skin and mouth away from treated areas.
What does Hydroquinone interact with?
MediHelp does not list a checked interaction for Hydroquinone yet. Always tell your pharmacist about every medicine you take.
完全なモノグラフ、用量、相互作用チェッカーはMediHelpアプリで
MediHelpアプリで、完全なリファレンスを開き、複数薬剤の相互作用をチェックし、用量ツールを利用できます。
