Psoralen: Definition, Uses, Administration, Outcomes - Verywell …
网页2024年9月6日 · The rash appears as discolored, tiny bumps, or raised patches of skin. These skin flare-ups often occur in spring and early summer, when exposure to sunlight increases. The rashes will recur after the first episode.
PUVA (photochemotherapy) - DermNet
网页PUVA or photochemotherapy is a type of ultraviolet radiation treatment (phototherapy) used for severe skin diseases. PUVA is a combination treatment which consists of Psoralens (P) and then exposing the skin to UVA (long wave ultraviolet radiation). It has been available in its present form since 1976.
Phytophotodermatitis - PMC - National Center for …
网页Phytophotodermatitis is a clinical diagnosis and should be suspected when patients present with an irregularly shaped rash and exposure to sunlight and a psoralen-containing substance. Family physicians should be able to diagnose phytophotodermatitis and know when to refer or rule out more serious disorders.
Psoralen-Induced Phytophotodermatitis : Dermatitis® - LWW
网页Phytophotodermatitis usually manifests 24 hours after exposure to psoralen and UV-A light, when erythema, vesicles, and a burning sensation may develop. 1 The rash is notable for a linear or drip-like configuration corresponding to exposure to a broken stem or liquid.
Psoralens to Treat Psoriasis - WebMD
网页2024年3月12日 · Skin rash. To ease nausea, take your psoralen with a glass of milk or a meal, or take ginger supplements. Rarely, oral psoralens can cause liver problems. Don’t eat limes, carrots, celery,...
Psoralen and Ultraviolet A Light Therapy for Psoriasis
网页2007年8月16日 · Psoralens rapidly penetrate cells and intercalate between nucleic acids. Ultraviolet A (UVA) radiation then causes linkage of the psoralen to pyrimidine bases, forming C 4 cycloadducts (...
Psoralen: a narrative review of current and future therapeutic uses
网页2024年3月15日 · Psoralens are utilized in various treatment modalities, commonly in conjunction with ultraviolet light exposure (UVA), in a therapeutic process known as PUVA therapy. They can be applied topically via creams or lotions for localized skin conditions such as psoriasis and vitiligo, where direct application ensures targeted treatment of …
Phytophotodermatitis: Background, Pathophysiology, Etiology of ...
网页2021年11月4日 · Phytophotodermatitis (PPD) is a cutaneous phototoxic inflammatory eruption resulting from contact with light-sensitizing botanical substances and long-wave ultraviolet (UV-A 320-380...
The Patient’s Guide to Psoriasis Treatment. Part 2: PUVA …
网页2016年7月29日 · PUVA, or psoralen plus ultraviolet A (UVA) radiation, is one of the oldest, most effective treatments for psoriasis. It is also known as photochemotherapy, as it combines the use of psoralens, a group of plant-derived compounds that make the skin more sensitive to light, and exposure of skin to a source of high-intensity, long-wavelength ...
Light Therapy for Psoriasis - The National Psoriasis Foundation
网页2024年3月19日 · Ultraviolet light A (UVA) is relatively ineffective for psoriasis unless it is used with light-sensitizing agents called psoralens. This process, called PUVA, slows down excessive skin cell growth and can clear psoriasis symptoms for varying periods of time.
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