Riferimento farmaci
Hydroquinone
Hydroquinone is a medicine in the class miscellaneous. It is used for melasma.
- Classe del farmaco: Miscellaneous
- Indicato per: melasma
Ultimo aggiornamento Fonti: US FDA label
Per operatori sanitari — solo a scopo di riferimento. Questa pagina è una sintesi breve, non è un parere medico e non sostituisce il RCP ufficiale né il giudizio clinico. Verificare sempre prima di prescrivere o dispensare.
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In breve
- Classe del farmaco
- Miscellaneous
- Forme farmaceutiche comuni
- crema, soluzione, gel
- Dosaggi comuni
- 40 mg/g, 4%, 2%
- Nomi commerciali
- 16
- Paesi e mercati
- 3
Per cosa si usa
Come agisce
Topical hydroquinone produces reversible depigmentation of the skin by inhibiting the enzymatic oxidation of tyrosine to dopa and suppressing other melanocyte metabolic processes.
Dose abituale nell'adulto (sintesi del foglio illustrativo)
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
Gravidanza e allattamento
- Gravidanza
- 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.
- Allattamento
- 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.
Effetti indesiderati segnalati
- Localized contact dermatitis (cutaneous hypersensitivity)
- Blue-black skin darkening (rare)
Controindicazioni
- Prior history of sensitivity or allergic reaction to hydroquinone or any of the other ingredients.
Chi deve prestare attenzione
- 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.
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- 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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Domande frequenti
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.
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