Sun damage, medically termed actinic keratosis, refers to skin lesions caused by prolonged UV radiation exposure. It manifests as rough, scaly patches on sun-exposed areas, often precedes skin cancer, and requires timely medical evaluation.

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Actinic Keratosis FAQ


What causes sun damage on the skin?

Prolonged exposure to UV radiation from the sun or tanning beds causes sun damage.

Is sun damage reversible?

Early-stage sun damage may be reversible with treatment; prevention is key.

How is sun damage diagnosed?

Dermatologists diagnose through visual examination and sometimes biopsy.

Can sun damage lead to skin cancer?

Yes, actinic keratosis can progress to squamous cell carcinoma if untreated.

What are common treatments in Malaysia?

Topical creams like Aldara and Efudix are commonly prescribed.

How long does treatment take?

Typically 3-6 weeks, depending on the treatment and severity.

Does treatment cause side effects?

Redness, itching, or irritation may occur, which usually resolves.

Can I prevent sun damage?

Yes, use broad-spectrum sunscreen, wear protective clothing, and seek shade.

Is sun damage more common in certain skin types?

Fair skin individuals are at higher risk, but all skin types can be affected.

Can children get sun damage?

Yes, UV protection from an early age is crucial to prevent damage.

Does sun damage increase with age?

Cumulative UV exposure over years increases the risk of sun damage.

Can makeup hide sun damage?

Makeup can camouflage but does not treat underlying skin damage.

Is surgery required for sun damage?

Only in severe or cancerous cases; most are treated topically.

Can I use over-the-counter treatments?

Mild cases may benefit from OTC hydroquinone or retinoids.

How often should I see a dermatologist?

Annual skin checks are recommended, especially for high-risk individuals.

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