Note the presence of a confluent, erythematous eruption that is not only in a photodistribution but is now on the breasts and upper abdomen. Applies to hydroxychloroquine: oral tablet Along with its needed effects, hydroxychloroquine (the active ingredient contained in Plaquenil) may cause some unwanted effects. Plaquenil pregnancy class Lupus medication plaquenil side effects Chloroquine resistant malaria in india In photoallergy, an allergic reaction causes redness, scaling, itching, and sometimes blisters and spots that resemble hives. This type of reaction can be caused by aftershave lotions, sunscreens, and sulfonamides. Plaquenil can improve photosensitivity. However imuran and other immunosuppressants, which I also take can worsen it. Thankfully for me that didn't happen and I still have a huge improvement on what I was like before where I would break out in a severe hive or blister like rash anywhere that was exposed." Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Although not all of these side effects may occur, if they do occur they may need medical attention. Plaquenil photosensitivity rash Will you have Photosensitivity reaction with Plaquenil., Plaquenil and Sun Sensitivity - Reviews Toddler ate plaquenilPlaquenil weight gain reviewsPlaquenil and eye damage This rash is typically seen on the nose and cheeks, called a malar rash, and is considered one of the hallmarks of lupus. Porphyria is another medical condition that may cause photosensitivity reactions. This is a hereditary condition with skin manifestation cutaneous porphyria causing rashes and blisters in reaction to exposure to sunlight. Pictures of Photosensitivity, Symptoms, List of Drugs. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Hydroxychloroquine DermNet NZ. More in Arthritis. Photosensitivity is a skin reaction i.e. rash that occurs after exposure to ultraviolet UV radiation from the sun or an artificial light source. Photosensitivity can be caused by various agents, including drugs, perfume, cosmetics, and even the sunscreen that is meant to protect your skin. Hydroxychloroquine typically is very well tolerated. Serious side effects are rare. The most common side effects are nausea and diarrhea, which often improve with time. Less common side effects include rash, changes in skin pigment such as darkening or dark spots, hair changes, and muscle weakness. Re Plaquenil and Sun Exposure Reply #13 on June 12, 2011, AM After a long dark winter of seeing no sun, I finally went into the sun for an hour, early in the morning, and over the next day, developed a red raised rash on all exposed parts, a rash that lasted for several weeks.