Acronyms that contain the term phototoxin 

Phototoxin

Phototoxins are toxins that can cause allergic reactions in particularly susceptible individuals and which can cause dangerous photosensitivity in a much broader range of subjects. Phototoxins are common in: ⁕a variety of plants: ⁕many citruses contain essential oils that are photosensitizers; ⁕some herbal remedies; ⁕some prescribed medications; and ⁕many essential oils, perfumes and cosmetics. Ingested medications may cause systemic photosensitivity and topically applied medications, cosmetics and essential oils may lead to local photosensitivity. Curiously and ironically, para-aminobenzoic acid found in some sunscreens can also cause photosensitivity. Upon exposure to light, notably light containing ultraviolet radiation, discolouration of the skin or rashes may result. In extreme cases, blistering may also occur.

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