Can UVB Get Rid of Psoriasis? Understanding Treatment Options

5 min read
Can UVB Get Rid of Psoriasis

Can UVB get rid of psoriasis? The short answer is no — psoriasis is a chronic autoimmune condition with no permanent cure, but narrowband UVB therapy is a phototherapy approach some people use, under medical guidance, to help manage flare-ups.

At a glance:

  • UVB doesn't cure psoriasis — there is no permanent cure for the condition
  • Narrowband UVB (311nm) is a phototherapy approach discussed for managing symptoms
  • Any usage plan should be set by your GP or dermatologist
  • Often used alongside other management approaches, not as a standalone fix

What Is UVB Light Therapy?

UVB therapy uses a specific wavelength of light — narrowband UVB at 311nm — directed at the skin. DermNet NZ notes that narrowband UVB is commonly used in phototherapy for psoriasis, working by slowing skin cell turnover and affecting inflammation. It has been used in dermatology clinics for a long time, and devices like the Desktop UVB 311nm Lamp and Dermalight UVB Lamp bring a similar wavelength into a home-use format. If you're still working out how your specific presentation fits in, our guide on types of psoriasis in Australia covers the different forms and how they may respond differently to approaches like UVB.

Can UVB Get Rid of Psoriasis Completely?

No — psoriasis is a chronic autoimmune condition, and UVB therapy doesn't permanently cure it. Individual experiences with narrowband UVB vary considerably, and results aren't guaranteed or uniform. Rather than promising a specific outcome, it's more accurate to say UVB is one approach some people use, under professional guidance, as part of managing flare-ups over time. For a deeper look at realistic timeframes, see our guide on how long light therapy takes to work for psoriasis.

In short: UVB therapy is about managing psoriasis, not curing it — and how well it works varies significantly from person to person.

How UVB Therapy Is Understood to Work on Psoriasis

  • Slowing cell turnover — psoriasis speeds up the skin cell life cycle, causing plaques to build up; UVB exposure is thought to help slow this process
  • Affecting inflammation — narrowband UVB is understood to affect immune activity linked to inflammation and redness
  • Supporting the skin's healing process — as turnover and inflammation shift, some people report smoother skin over time

Who Commonly Considers UVB for Psoriasis

People who've tried topical creams without lasting relief, people looking for a non-topical approach to discuss with their treating specialist, and people wanting to understand realistic expectations before starting a phototherapy conversation with their GP or dermatologist.

Who May Prefer a Different Approach

You may want to discuss other options with your GP or dermatologist if you:

  • Have a photosensitivity condition or take photosensitising medication
  • Prefer to explore topical-only management first
  • Are looking for a guaranteed or permanent solution — UVB doesn't offer this, and no current psoriasis treatment does

Products Sometimes Used Alongside UVB Therapy

Product Use
Desktop UVB 311nm Light Therapy Lamp Larger areas like arms, legs, back
Dermalight UVB Lamp Scalp or hard-to-reach areas
Creams and moisturisers Soothing dryness and irritation between sessions

How People Commonly Use UVB Therapy at Home

Rather than a fixed schedule, session length, frequency, and progression should be set by your GP or dermatologist based on your skin type and condition. General points that typically apply, though specifics always come from your treating specialist:

  • Consult your GP or dermatologist before starting, to confirm UVB suits your specific presentation
  • Begin with short sessions under medical guidance, increasing only as advised
  • Wear the protective eyewear provided and cover unaffected sensitive areas
  • Track your sessions and any skin reactions to discuss at follow-ups

The key point: consistency and timing matter, but the actual plan comes from your GP or dermatologist — not a generic schedule.

Does UVB Therapy Work for Everyone?

Results vary considerably and depend on the severity of the condition, skin type and sensitivity, and consistency of use. For some people, UVB may lead to significant clearance; for others, it may reduce symptoms without eliminating them. Your GP or dermatologist can give you a realistic sense of what to expect based on your specific situation, rather than a general guide.

Combining UVB with Other Approaches

UVB is often discussed as part of a broader management routine rather than a standalone approach. Many dermatologists consider combining it with moisturisers and creams, lifestyle factors like stress management, and other medically prescribed treatments where appropriate.

Common Mistakes People Make

Expecting UVB to permanently cure psoriasis rather than help manage it. Following a generic session schedule instead of a specialist-set plan. Skipping the initial GP or dermatologist consultation. Stopping too early, since changes tend to happen gradually rather than immediately.

Frequently Asked Questions

Can UVB get rid of psoriasis permanently? No — psoriasis is a chronic condition with no current permanent cure. UVB therapy may help manage symptoms and extend periods of remission for some people, under professional guidance.

How long does it take to see results? This varies significantly by individual and severity — your GP or dermatologist can give you a realistic timeframe rather than a general estimate.

Is UVB the same as sunlight? No — sunlight includes a broader range of UV wavelengths not calibrated for skin condition management, while narrowband UVB targets a specific therapeutic range.

What should I discuss with my GP or dermatologist before starting? Whether UVB suits your specific presentation, an appropriate starting plan, and how it might fit alongside any current treatments or medications.

Can UVB Get Rid of Psoriasis? Realistic Expectations

Can UVB get rid of psoriasis? Not permanently — but for some people, under professional guidance, it's one approach used to help manage flare-ups and extend periods of remission. Healthdirect Australia recommends discussing phototherapy with a GP or dermatologist to understand whether it's appropriate for your situation. Explore the light therapy range at Australian Psoriasis and Eczema Supplies, and speak with your GP or dermatologist to confirm what's right for your skin condition, current medications, and treatment history.

This is an educational resource — not medical advice, and not a substitute for professional assessment by a GP or dermatologist.