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Many synthetic compounds, including drug substances like tetracyclines or fluoroquinolones, are known to cause these effects. Surface contact with some such chemicals causes photodermatitis, and many plants cause phytophotodermatitis. Light-induced toxicity is a common phenomenon in humans; however, it also occurs in other animals.
Photosensitive drug reaction secondary to medications may cause phototoxic, photoallergic, and lichenoid reactions, and photodistributed telangiectasias, as well as pseudoporphyria. [1]: 121 Drugs involved include naproxen and doxycycline.
Doxycycline can cause gastrointestinal upset. [70] [71] Oral doxycycline can cause pill esophagitis, particularly when it is swallowed without adequate fluid, or by persons with difficulty swallowing or impaired mobility. [72] Doxycycline is less likely than other antibiotic drugs to cause Clostridioides difficile colitis. [73]
DR.WEIL'S ANTI-INFLAMMATORY DIET is designed to reduce chronic inflammation and related chronic diseases, like heart disease, diabetes, Alzheimer’s, and others, Harbstreet says. It also aims to ...
Acute inflammation, like the redness and swelling that occurs with an injury, is a sign that your body is working properly—but chronic inflammation (long-term inflammation that lasts for months ...
Para-aminobenzoic acid , found in some sunscreens, can also cause photosensitivity. Upon exposure to light, notably light containing ultraviolet radiation, discolouration of the skin (whether as inflammation, lightening or darkening) or rashes may result. In extreme cases, blistering may also occur.
Photosensitivity is the amount to which an object reacts upon receiving photons, especially visible light. In medicine, the term is principally used for abnormal reactions of the skin, and two types are distinguished, photoallergy and phototoxicity .
Light sensitivity or photosensitivity refers to a notable or increased reactivity to light. Apart from vision , human beings have many physiological and psychological responses to light. In rare individuals an atypical response may result in serious discomfort, disease, or injury.