Tretinoin (topical): uses, side effects & brands

Written & medically reviewed by Dr. Sanjay Anbu, MBBS · Last reviewed 5 November 2026

Tretinoin is a retinoid cream for acne and skin renewal; needs sun protection. It belongs to the Skin (dermatology) medicine — advanced group. These treat eczema, psoriasis, acne, pigmentation and fungal skin problems, mostly applied to the skin.

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Drug type — dosing is set by your doctor

Measure	Range
Drug class	Skin (dermatology) medicine — advanced
Type	Prescription
Dose	Individual — ask your doctor or pharmacist

What it is used for

Treats acne, including blackheads and whiteheads
Improves fine wrinkles and sun-damaged skin
Helps fade some dark spots

Common brand names

India: Retino-A, A-Ret, Tretin
Worldwide: Retin-A

Common side effects

Redness, peeling and dryness
Burning or stinging
Increased sensitivity to sunlight
Acne may look worse at first

Before taking it — precautions

Not for use in pregnancy or when trying to conceive
Use sunscreen daily and avoid strong sun
Avoid on broken skin and avoid other harsh or drying products unless advised

When to see a doctor urgently

Severe blistering, crusting or swelling (urgent)
Severe sunburn
Allergic reaction with face or lip swelling (urgent)

Not a prescription — no dose shown. The right dose of tretinoin 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 is my acne worse at first?

An initial flare can happen in the first weeks as pores clear; it usually improves with continued use.

Can I use it in pregnancy?

No. Tretinoin is a retinoid and should be avoided in pregnancy.

How long until I see results?

Acne usually improves over a couple of months; anti-ageing effects take longer.

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Sources & further reading

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.