We provide expertise about the effects of light on skin conditions. Our unit has 2 functions:

Photodermatology service

We see people with skin conditions caused by sunlight, such as:

We offer complex diagnostic testing (phototesting) and provide a:

  • national cutaneous porphyria clinical service
  • national xeroderma pigmentosum clinical service

Phototherapy service

Our Dowling phototherapy unit provides a full range of phototherapy. We use ultraviolet light to treat people with skin conditions, including:

We're also 1 of 2 centres in England to provide high output UVA1 therapy. This is a valuable new treatment.

We're the lead for a network of phototherapy units in hospitals throughout south east England.

We offer iontophoresis, a treatment for hyperhidrosis (excess sweating of hands and feet) on Mondays, 9am to 1.30pm.

Our consultants

Robert Sarkany    

Hiva Fassihi

Helene Menage

Rajini Mahendran

Ljuba Novakovic

Nisha Arujuna

John Ferguson

Adam Fityan

Research and clinical trials

Research is vital to improving the care that you receive. You can help improve healthcare by taking part in research studies at our Trust. During your appointment, ask your healthcare professional about research. They'll be happy to tell you about research studies you could be eligible to join.

You can email [email protected] for more information.

Last updated: 10 January 2023

Contact us

Phone: 020 7188 6248

Email: [email protected]

Address: Dowling phototherapy unit, Bermondsey Centre, ground floor, Bermondsey Wing, Guy's Hospital, Great Maze Pond, London SE1 9RT

We're open Monday to Friday, 7.30am to 5.30pm.


Do you have any comments or concerns about your care?

Contact our Patient Advice and Liaison Service (PALS)

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