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 transfection Plaquenil and benadryl What else can i take if i cant take plaquenil Jun 12, 2018 Phototoxic reactions in skin Acute phototoxicity often begins as an exaggerated sunburn reaction with erythema and edema that occurs within minutes to hours of light exposure. Vesicles and bullae may develop with severe reactions. 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. Side Effects Nausea, stomach cramps, loss of appetite, diarrhea, dizziness, or headache may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. Remember. 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 Doryx Side Effects Common, Severe, Long Term -, Photosensitivity Reactions - Skin Disorders - Merck Manuals. Hydroxychloroquine uses in hindiHow long for plaquenil to lighten skinHas there been a plaquenil class action lawsuit 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 Oral Uses, Side Effects, Interactions, Pictures.. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. The reaction induced by psoralens, for the most part, is nonphotodynamic. Acute phototoxic reactions are characterized by erythema and edema followed by hyperpigmentation. Long-term ultraviolet phototoxicity results in chronic sun damage and skin cancer formation. Summary 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. This study is created by eHealthMe based on reports of 48,911 people who have side effects when taking Plaquenil from Food. A doctor suspects a photosensitivity reaction when a rash appears only in areas exposed to sunlight. A close review of the person's medical history, skin symptoms, any diseases, drugs taken by mouth, or substances applied to the skin such as drugs or cosmetics may help a doctor pinpoint the cause of the photosensitivity reaction.