Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Chloroquin function in lysosome Plaquenil and bartonella Serious Side Effects of Plaquenil. If you are taking Plaquenil long-term, such as for an autoimmune condition, your doctor should regularly check you for potential serious side effects. 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. Serious side effects and their symptoms can include the following blurred vision or other vision changes. ringing in your ears or hearing loss. angioedema, or rapid swelling of your skin. hives. mild or severe bronchospasm that causes trouble breathing. sore throat. unusual bleeding or bruising. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Plaquenil side effects insomnia Insomnia because of plaquenil DailyStrength, Plaquenil Side Effects Common, Severe, Long Term - Sides effects of hydroxychloroquinePlaquenil myopathyDose of chloroquine phosphateHydroxychloroquine rob holland Hydroxychloroquine side effects may range from mild to severe, although some side effects may go away with time. Some of the most common side effects of hydroxychloroquine include 3, 4 loss of appetite. diarrhea. headache. nausea. vomiting. stomach pain. shakiness. skin rash. More serious hydroxychloroquine side effects include 3, 4 Hydroxychloroquine Plaquenil Success, Reviews and Side.. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Plaquenil - Healthboards. Plaquenil is used in the treatment of sarcoidosis but its main use is in the treatment of malaria. One of the side effects of taking the drug is that it affects eye sight, and eye tests, especially field of vision tests need to be done every six months. For the four years that I took the drug. Side Effects At first was very difficult - not sure what was my illness and what was side effects. Low blood pressure and low blood sugar, shakiness, nausea, diarrhea. Low blood pressure and low blood sugar, shakiness, nausea, diarrhea. Plaquenil is a first-line drug treatment meaning its the go- to med they use -the one they initially start nearly everyone on when u test positive for auto-immune & it doesn't work for everyone! I tried it for a yr w not one bit of relief. The anxiety is not a common side effect nor is the depression.