The mean age of onset is 35 years, but it has occurred in infant children through to those aged 70 years. A stinging, itchy that are normally shielded from sunlight by clothing, e.g. The face and upper sides of the hands that are constantly exposed to the sun may be unaffected or only slightly affected. Hydroxychloroquine rheumatoid arthritis mechanism Plaquenil tingling Plaquenil chronic hives Hydroxychloroquine sulfate plaquenil side effects Chloroquine phosphate, a 4-aminoquinoline, is used extensively in treating acute malaria. The anti-inflammatory effects of chloroquine are well known. This drug has been used to treat rheumatoid arthritis, amebiasis, discoid lupus erythematosus, porphyria cutanea tarda, and solar urticaria. A week ago, I just took my first dose of a medication called hydroxychloroquine, also known as Plaquenil. It is commonly used to treat autoimmune diseases and has been used to treat others with the same rare condition I have that causes me to be allergic to ultraviolet light, solar urticaria. I agree with your assessment that your patient’s presentation is atypical for the classic definition of solar urticaria. The reasons are as follows as you have mentioned the repeated biopsies reveal subacute spongiotic dermatitis, and the prolonged rash, as solar urticaria should resolve within 24 hours. If large areas of the body are affected, the loss of fluid into the skin may result in light-headedness, headache, nausea and vomiting. This may be put down to acclimatisation or 'hardening' of these chronically exposed areas. Plaquenil solar urticaria Lupus and Solar Urticaria - Treato, Taking Medications for Long QT Syndrome and Solar. Plaquenil excretion Any of you out there have solar urticaria? If so, what has been helpful. Solar Urticaria - Rare diseases and genetic disorders.. Solar urticaria and possible autoimmune disease. Plaquenil for autoimmune urticaria – skin rashes symptoms. About 10% of all people with lupus will experience hives urticaria. These lesions usually itch, and even though people often experience hives due to allergic reactions, hives lasting more than 24 hours are likely due to lupus. Full text Full text is available as a scanned copy of the original print version. Get a printable copy PDF file of the complete article 1.2M, or click on a page image below to browse page by page. Links to PubMed are also available for Selected References. A polymorphic light eruption PMLE occurs in response to sunlight after a period of time in which the skin has been covered and scarcely exposed to the sun. It is caused by ultraviolet A UVA light or visible light. As such it may occur after sun exposure through a window, and rarely it can occur with exposure to fluorescent lighting.