instruction: hi doctor eight years ago my family and I went on a vacation when my mother got out of one of the outdoor pools she started feeling a sting on her arms and all of her legs below the knees she has been to the doctor for this condition and she has gotten numerous ointments the only ointment that does help the uncontrollable itching and stinging has been zyeartec but she still continues to have itchy and stinging skin she cannot take any exposure to the sunlight which is why she wears long sleeves and pants during summer days along with an umbrella I recently looked online and I found some symptoms of solar urticaria when I read them to my mother she confirmed to have all the symptoms she does not have any noticeable rashes but she does say that her skin is extremely stingy and itchy which really impacts her days and some of the sleepless nights that come with this itching would it be possible that she has solar urticaria would you recommend her to take a photo test to see if it is solar urticaria
output: hello as you explained that your mother has developed solar urticaria here I explain a few other importance of solar urticaria intense itching swelling and rashes develop in sunlight you can correlate it whenever she goes in the sun she gets these things if you are able notice this then undoubtedly it is something related to the sun many times only itching is the main symptom which your mother has now once it has started avoiding the cause is the best way to treat once you are sure that it is happening due to sun just avoid going out in the sun photo test is not a treatment it is a test to know that your mother has a sunlight allergy or not and it can get noticed by symptoms so no need to get tested if you already sure about the cause regarding treatment sunscreen is must use sunscreen without fail it does not matter whether you are going in sunlight or not you have to use it should be thrice in a day it could be like am 12 am and am anti allergic tablets like levocetirizine evil pheniramine maleate teczine etc continue it for three to five months these have totally no side effect and subside the allergy and itching consult a specialist doctor discuss with him or her and take the medicine with consent continue using your ointment with a good moisturizer too avoid sweats sometimes sweating itself increase allergy for further information consult a dermatologist online