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. Plaquenil warnings vision Chloroquine cataract Retinal toxicity and plaquenil 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. Solar urticaria can be classified based on the component of the UV spectrum UVA, UVB, and visible light that causes lesions. If necessary, patients can be tested by exposing part of the skin to natural light or artificial light at particular wavelengths phototesting. Solar urticaria is a rare photodermatosis characterized by pruritus, stinging, erythema, and wheal formation after a brief period of exposure to natural sunlight or an artificial light source emitting the appropriate wavelength. 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 Solar urticaria as the presenting manifestation of., Photosensitivity - Dermatologic Disorders - Merck Manuals. Can you stop taking plaquenil cold turkeyWhy does plaquenil make you hungryHow to taper off of plaquenilHydroxychloroquine shingles 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. Effectiveness of Chloroquine and Hydroxychloroquine in.. Solar Urticaria Medication Antihistamines, 2nd Generation.. Lupus-Specific Skin Disease and Skin Problems Johns Hopkins.. Any of you out there have solar urticaria? If so, what has been helpful. Urticarial vasculitis is a variant of cutaneous small vessel vasculitis. It is characterised by inflamed and reddened patches or weals on the skin that appears to resemble urticaria, but when the skin is examined closely under a microscope, a vasculitis is found inflamed blood vessels. Rash from plaquenil. deleted_user 10/30/2011. My doctor said she thought it sounded like Solar Urticaria but is going to speak to my rheumatologist about it. deleted_user 10/30/2011. No ringing or sore tongue. Join the Conversation. Posts You May Be Interested In. come unwind in the bp lounge.