Photodynamic treatment (PDT), often called as photochemotherapy, is a type of phototherapy including light and a photosensitizing concoction(Chemical) substance, utilized as a part of conjunction with atomic oxygen to inspire cell demise (phototoxicity). PDT has demonstrated the capacity to execute microbial cells, including microorganisms, parasites, and viruses. PDT is famously utilized as a part of treating pimple and acne. It is utilized clinically to treat an extensive variety of medicinal conditions, including wet age-related macular degeneration, psoriasis, atherosclerosis and has demonstrated some viability in hostile to viral medications, including herpes. It likewise treats harmful malignancies including head and neck, lung, bladder and specific skin. The innovation has additionally been tried for treatment of prostate disease, both in a puppy demonstrate and in prostate growth patients. Photodynamic treatment's benefits decrease the requirement for sensitive surgery and long recovery and insignificant development of scar tissue and distortion. A symptom is the related photosensitisation of skin tissue. The timeframe between when the medication is given and when the light is introduced is known as the drug-to-light interval. It can be anyplace from two or three hours to a few days, based upon the medicine utilized.