Photo Therapy


Photo therapy or light therapy is a treatment for diseases of the skin using artificial light wavelengths from the ultraviolet (light blue) part of the spectrum of the sun. In this way, the light of certain wavelengths can be delivered with a higher intensity, but without the light of all other wavelengths present in sunlight, for example, visible light and infrared (heat producing light).

What Photo therapy used?

If it was first used in the treatment of psoriasis, a number of other skin problems including eczema, vitiligo (where pigment cells are damaged causing white spots), cutaneous lymphoma based and some cases of generalized itching of the skin (especially because of kidney or liver disease), can be treated this way if they have not responded to other treatments. Light therapy is not suitable for all forms of psoriasis and eczema and may even aggravate some forms of these diseases.

How Does Photo therapy?

It probably varies for different conditions, but the skin can cause a number of factors, including changes in the immune system of the skin, reducing inflammation and eliminating abnormal cells. To do this, damage to normal cells are normally produced. Therefore, it is possible to burn short term (for example) and long term (skin cancer) side effects occur, but this varies depending on the type of light treatment / therapy used.

Who may not be suitable for photo therapy?

-   People with very fair skin-burning sun exposure minimal children toddlers
-   People with medical conditions that increase susceptibility to sunburn (lupus, for example)
-   People who have had certain types of skin cancer
-   Individuals whose immune systems are suppressed.

Which types of photo therapy are they?

There are two types of photo therapy – UVA and UVB.

UVA photo therapy is usually administered in combination with a tablet called psoralen awareness light (PUVA). Sometimes a cream or lotion to educate the light containing psoralen can be used in localized areas of skin, for example, feet (topical PUVA).

UVA is a part of the UV spectrum associated with pigmentation.

UVB phototherapy uses part sunburn UV spectrum. "Narrowband" UVB uses light of a wavelength only.

What is photo therapy Given?

Photo therapy is generally administered in a firm stand-up with traffic at a fixed distance around the walls. Depending on the dose, the patient is at the center, usually for half a minute for 10 minutes. However, it is also possible to target localized areas, such as hands and feet, using machines modified with a row of lights, or half-body therapy can be given using a battery of lights lowered from above. The eyes are always protected, as are the areas not requiring treatment, eg the face.

Treatments are usually given two or three times a week, with dosages carefully increased, leading to longer time spent in / on the source of light.

Is this therapy have side effects?

Yes, the most obvious is on, but therapeutic doses and schedules are designed to avoid this. However, sometimes this can still occur. Depending on the type of light treatment used, the burn can be like a mild sunburn, but rarely blisters may appear. Sometimes the skin is very dry and can cause itching. In the long term an increased risk of skin cancer can occur, but it depends on the type of therapy and the number of treatments administered.

Other possible long-term side effects include freckles and premature aging of the skin.

How many treatments of photo therapy Will I need?

The treatment usually continues until the rash has almost cleared. It often takes 20-30 treatments, but may take longer.

What if photo therapy does not work

The success rate of therapy depends on the condition being treated and its severity. Usually other forms of treatment are available if problems occur during treatment or if treatment is not effective.

Where is photo therapy Given?

Photo therapy is given by qualified personnel under the supervision of dermatologists in several major hospitals around Australia, skin cancer and foundations in each state rooms and many private dermatologists.
(Source: dermcoll.asn.au)