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Photodynamic Therapy (PDT)

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What is Photodynamic Therapy?

Photodynamic Therapy (PDT) is a procedure used to treat various skin disorders.
In PDT, a chemical reaction activated by light energy is used to selectively destroy damaged tissues.

Photodynamic Therapy (PDT)

How does PDT Work?

A naturally occurring substance called ALA is applied to the affected area. When applied to the skin, the ALA is absorbed into abnormal or damaged cells, bacteria and oil glands.

Once absorbed, an LED light is focused on the treated area for a period of time. When exposed to light, the abnormal skin cells are selectively destroyed to reveal fresh, healthy skin cells, less acne and improved skin texture.

 

Who is it suitable for?

PDT is suitable for the treatment of:

  • Sun damaged skin
  • Pre-cancerous lesions (solar keratoses)
  • Superficial Basal Cell Carcinomas
  • Liver or age spots
  • Acne and oily skin
  • Hidradenitis Suppurativa
  • Warts
  • Fine lines and wrinkles
 

How do I prepare for PDT?


For solar damaged skin, we recommend using medical-grade skin care products by Allmedic for two weeks prior to treatment. These are available for purchase in clinic. 
If you are to undergo treatment on the face and have a history of cold sores, you should have a course of antivirals prescribed and these are to be started on the day prior to treatment.
An antihistamine should be taken in the morning and the patient must remember to come to the clinic with no products or makeup on the area to be treated. Please also remember to bring protective clothing.

 

What happens post PDT treatment?

After treatment you will be sensitive to light for up to 48 hours. It is important during this time to limit your exposure to the sun and all forms of bright light including house lights.
Signs of redness, peeling and scabbing are all indicators of a successful treatment. If you are at all concerned about your skin post-treatment, please contact us immediately.