The reaction can be phototoxic and/or photoallergic. Phototoxic reactions result from direct damage to tissue caused by light activation of the photosensitising agent, whilst photoallergic reactions are a cell-mediated immune response in which the is the light-activated photosensitising agent. Plaquenil and kidneys Plaquenil and bone health Hydroxychloroquine 200mg acetaminophen 400mg Hydroxychloroquine 200 mg side effects Photosensitivity or sun sensitivity is inflammation of the skin induced by the combination of sunlight and certain medications or substances. This causes redness of the skin and may look similar to sunburn. Both the photosensitizing medication or chemical and light source have to be present in order for a photosensitivity reaction to occur. Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Although some oral photosensitising medications can cause photoallergic reactions, most cause phototoxic reactions. Photoallergic reactions occur less commonly than phototoxic reactions and are mostly caused by photosensitising topical agents. Plaquenil and photosensitivity Sensitivity to UV light during treatment with chloroquine., Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses What does plaquenil look likePlaquenil off label usesChloroquine synthesis reactionHydroxychloroquine dosage aaoPara que es hydroxychloroquine 200 mg Photosensitivity reaction is found among people who take Hydroxychloroquine sulfate, especially for people who are female, 50-59 old, have been taking the drug for 1 month, also take medication Enbrel, and have Pain Hydroxychloroquine sulfate and Photosensitivity reaction.. Plaquenil Oral Uses, Side Effects, Interactions.. Photosensitivity A Side Effect of RA Medications. Once we determined that Plaquenil was worsening my psorasis to affect my nails and tendon inserts, I came off it for good. Skin rashes occasionally develop and hydroxychloroquine may make you more sensitive to the sun, so it is advisable to use the usual precautions of sunscreens and a hat if you are in the sun. If photosensitivity is a problem for you, here are some ways to protect yourself from the sun Be Sun Smart With Lupus. If you are photosensitive, the best rule is to avoid midday and tropical sun. Lupus and Photosensitivity When the Sun is Your Enemy If you have lupus, you might be photosensitive – meaning you have an unusually strong reaction to sunlight. In fact, about two-thirds of the people with lupus are UV light-sensitive.