Your skin feels like it’s on fire. You’ve slathered on creams, tried every prescription, and still—another flare-up. Eczema ...

Psoralen plus UVA (PUVA) is the second most common form of light therapy. It seems more effective than BB-UVB and may work more in fewer sessions than NB-BB. It may be particularly helpful if your ...

Photodynamic therapy is a treatment for several different types of cancer. It uses a light sensitising drug and very bright ... One type of UV treatment is called PUVA (psoralen plus ultraviolet A).