Drug reference
hydroquinone
Hypopigmenting agent · Demelanizing agent
Hypopigmenting agentDemelanizing agent
CDSCO approved
EXCRETION
—
not curated
INTERACTIONS
—
none in our sources
PREGNANCY
—
not curated
Mechanism
Inhibits tyrosinase and other melanin-forming enzymes, decreases formation of, and increases degradation of melanosomes.
Indications
MelasmaChloasma of pregnancy
Dosing
- Adult
- 2–6% lotion or cream (applied for months)
Side effects
Common
Skin irritationRashesAllergy
Related guidelines
Iron deficiency anaemia in pregnancy
ICMR · Obstetrics & Gynaecology · 2022
Hypertensive disorders of pregnancy
FOGSI · Obstetrics & Gynaecology · 2019
Iron deficiency anaemia in pregnancy
FOGSI · Obstetrics & Gynaecology · 2017
Multifetal pregnancy
FOGSI · Obstetrics & Gynaecology · 2024
Hypertensive disorders of pregnancy
ACOG · Obstetrics & Gynaecology · 2020
Ask House about hydroquinone
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Textbook-sourced·Sources: KD Tripathi 7e·Updated: 2026-05-10