Written & medically reviewed by Dr. Sanjay Anbu, MBBS· Last reviewed
Hydroquinone lightens dark patches (melasma) in short, supervised courses. It belongs to the Skin (dermatology) medicine — advanced group. These treat eczema, psoriasis, acne, pigmentation and fungal skin problems, mostly applied to the skin.
Bluish-black darkening (ochronosis) with long-term use
Before taking it — precautions
Use only in short, supervised courses
Use sunscreen daily, as sun exposure undoes the effect
Avoid on broken skin and ask before use in pregnancy or breastfeeding
When to see a doctor urgently
Blue-black or darker skin in treated areas
Severe redness, blistering or swelling (urgent)
Allergic reaction such as face or lip swelling (urgent)
Not a prescription — no dose shown. The right dose of hydroquinone depends on age, weight, kidney/liver function and the condition, so MedDroid does not show a dose here. Always get your dose from a doctor or pharmacist and the leaflet inside the pack. General educational information only.
Frequently asked questions
Why only short courses?
Long-term use can cause permanent dark-bluish skin (ochronosis), so use is limited and supervised.
Will it bleach all my skin?
Use it only on dark patches as directed, not as an all-over lightener.
Why do I need sunscreen?
Sunlight darkens pigment again and can undo the benefit.
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.