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. Chloroquine causes itch mechanism How long before plaquenil works Ati hydroxychloroquine What conditions does plaquenil treat Note This document contains side effect information about hydroxychloroquine. Some of the dosage forms listed on this page may not apply to the brand name Plaquenil. For the Consumer. Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine the active ingredient contained in Plaquenil may cause some unwanted effects. Feb 19, 2020 Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil is available in generic form. What Are Side Effects of Plaquenil? Common side effects of Plaquenil include. nausea, vomiting, stomach pain or cramps, loss of appetite, weight loss, diarrhea, dizziness, spinning sensation, headache, Apr 10, 2019 Plaquenil side effects. Get emergency medical help if you have signs of an allergic reaction to Plaquenil hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Taking Plaquenil long-term or at high doses may cause irreversible damage to the retina of your eye. 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. Phototoxic reaction to plaquenil Drug-induced photosensitivity Photoallergic and phototoxic., Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses Plaquenil guidelines 2017Hydroxychloroquine eye issues Feb 19, 2020 PLAQUENIL should be administered with caution in patients having glucose-6-phosphate dehydrogenase G-6-PD deficiency. Dermatologic Effects. Dermatologic reactions to PLAQUENIL may occur and, therefore, proper care should be exercised when it is administered to any patient receiving a drug with a significant tendency to produce dermatitis. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Plaquenil Uses, Dosage & Side Effects -. Plaquenil Oral Uses, Side Effects, Interactions, Pictures.. This reaction is called phytophotodermatitis. All phototoxic reactions appear only on areas of skin that have been exposed to the sun. They usually develop within hours after sun exposure. In photoallergy, an allergic reaction causes redness, scaling, itching, and sometimes blisters and spots that resemble hives. Photosensitivity reaction is found among people who take Plaquenil, especially for people who are female, 50-59 old, have been taking the drug for 6 - 12 months, also take medication Humira, and have Pain 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.