I have been getting these horrible rashes and they are not related to sun exposure. I am starting to wonder if they are related to Plaquenil. Plaquenil aptt test Vivax malaria treatment chloroquine MORE COMMON side-effects include Nausea & diarrhea – Plaquenil agrees with most people. Rarely it can cause an upset stomach or diarrhea. Skin rash – Plaquenil can rarely cause a rash. Patients who experience this rare side effect should stop taking this medicine and contact their doctor. Headaches – Plaquenil can rarely cause a headache. When cut, too much of the drug can be released at once and cause a reaction or side effects. When prescribed 300 mg. daily, you should alternate one tablet one day with two the next. I've been on Plaquenil for almost four years now and it's helped me a lot. Hydroxychloroquine side effects. Hydroxychloroquine side effects may vary greatly from very mild side effects that go away with time to severe side effects like eye damage, ear damage, or heart problems. Some side effects may be experienced as the body adjusts to hydroxychloroquine but may diminish as the body becomes used to the drug. I've always been one to go for the natural route and am starting to feel like I should just stop taking everything and see what happens - so frustrating. My doctor now wants me to start on Chloroquine instead of plaquenil. Plaquenil rash side effects Plaquenil hydroxychloroquine 200mg is it causing itchy skin., Plaquenil side effects - Scleroderma - Inspire Extraerythrocytic malria and chloroquineDoes plaquenil cause eye painCan plaquenil cause drusen Plaquenil = Rash? I am on the generic version of Plaquenil and have been for about a month with no side effects. I started the first week with 1 morning dose, then on the second week I am on 2 doses after breakfast and after dinner I haven't had any side effects. Plaquenil = Rash? lupus. Hydroxychloroquine Plaquenil Success, Reviews and Side.. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Plaquenil side effects Get emergency medical help if you have signs of an allergic reaction to Plaquenil hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Taking Plaquenil long-term or at high doses may cause irreversible damage to the retina of your eye. For the Consumer. Continuing ringing or buzzing or other unexplained noise in the ears. feeling of constant movement of self or surroundings. irritability. nausea. nervousness. nightmares. sensation of spinning. shakiness and unsteady walk. uncontrolled eye movements. unsteadiness, trembling, or. Hydroxychloroquine typically is very well tolerated. Serious side effects are rare. The most common side effects are nausea and diarrhea, which often improve with time. Less common side effects include rash, changes in skin pigment such as darkening or dark spots, hair changes, and muscle weakness.