Increased sensitivity to sunlight is a side effect of many widely used prescription and over-the-counter drugs. Rapid and severe sunburns, hives, rashes and increased risk of skin cancer can result. Plaquenil eye exam recommendations Chloroquine effect on cell lysis Plaquenil cost canada Malaria treatment chloroquine how many daily Heat Intolerance Symptoms & Top 4 Causes of Heat Intolerance. Heat intolerance is often associated with excessive sweating, blurred vision, irritability and frustration, or even nausea and cramps. Heat sensitivity is commonly caused by dehydration, a heat stroke, medication side effects, an overactive thyroid, menopause, or multiple sclerosis. I had been taking plaquenil since April for my lupus and sjogrens. It was working really well and just recently my rheumy told that I was in remission. I felt great. Then I had an allergic reaction to the plaquenil - a rash all over my body, neck, arms and legs. I stopped taking it 1 week ago. Around the time I started taking Plaquenil, I started noticing that hot drinks and even some hot food burned all the way to my stomach when I swallowed. The sensitivity to heat is especially bad once the hot drink/food gets to my stomach, but it only lasts a second fortunately. Assorted antibiotics, sulfa drugs, cold and allergy medicines and pain killers are among the medications that can make people more vulnerable to sun and heat. Increased sensitivity to heat, which can lead to dehydration, is also a side effect of many common medications. Does plaquenil cause heat intolerance Plaquenil - Uses, Side Effects, Interactions -, Allergic reaction to plaquenil DailyStrength Plaquenil and arthritis Lfa Does Plaquenil cause hair loss, thinning or drying out? I have been losing a great deal of hair recently. I do have Hashimoto's but I am on Synthroid and have been for years. How is thyroid disease related to lupus if at all? Lupus Symptoms, Diagnosis and Treatments. Does Plaquenil make the lining of your stomach and possibly.. Heat intolerance? - posted in the lupus community. Heat intolerance is often associated with excessive sweating, blurred vision, irritability and frustration, or even nausea and cramps. Heat sensitivity is commonly caused by dehydration, a heat stroke, medication side effects, an overactive thyroid, menopause, or multiple sclerosis. Read below for more information on what can cause heat intolerance and treatment options. My Rheumy says that the meds might be causing the rash I get in the sunlight, but not the heat intolerance. At this point, if it hits 75 Fahrenheit I start feeling sick, sluggish, and I can't think right. It doesn't exacerbate and joint pain, but I just can't function. Doc is testing for drug induced lupus. 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.