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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.
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.
Sunlight, especially its ultraviolet radiation component, can cause increased or additional types of damage in predisposed individuals, such as those taking certain phototoxic drugs, or those with certain conditions associated with photosensitivity, including: Psoriasis [5] Atopic eczema [5] Mastocytosis; Mast cell activation syndrome ...
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]
Ingested medications may cause systemic photosensitivity and topically applied medications, cosmetics and essential oils may lead to local (or perhaps systemic) photosensitivity. Para-aminobenzoic acid ( PABA ), found in some sunscreens, can also cause photosensitivity.
It increases the risk of sunburn under exposure to light from the sun or other sources. This may be of particular importance for those intending to take on vacations long-term doxycycline as a malaria prophylaxis. They may cause stomach or bowel upsets, and, on rare occasions, allergic reactions.
For skin health, "there are many other lasers and treatments that can be more effective and more efficient," Stevenson notes. ... People with conditions that cause photosensitivity.
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 .