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. Hydroxychloroquine plaquenil and ibuprofen Hydroxychloroquine plaquenil and surgery Common Plaquenil side effects - a study from FDA data Summary In this review, we analyze Plaquenil side effects by the time on the drug, gender and age of the people who have side effects while taking Plaquenil. Common side effects linked to Plaquenil include nausea and diarrhea. Taking the medication with food eases nausea for most people taking the drug. Less common side effects include skin rashes, hair thinning, and weakness. Among those who do, common side effects include nausea, stomach cramps, dizziness, headaches, and diarrhea. These side effects often decrease over time. Plaquenil can cause serious eye problems, especially if taken at high doses or for longer than five years. 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. Most common side effects of plaquenil Plaquenil Uses, Dosage & Side Effects -, Taking Plaquenil for Rheumatoid Arthritis Plaquenil and procedures Jun 30, 2015 Take this medication with a meal or a glass of milk to prevent stomach upset. Common side effects include nausea, loss of appetite, headache, and diarrhea. Plaquenil can cause blurred vision and dizziness. Do not drive or operate heavy machinery until you know how it affects you. Plaquenil - Side Effects, Uses, Dosage, Overdose, Pregnancy.. Plaquenil Hydroxychloroquine MyLupusTeam. Plaquenil Side Effects - GoodRx. 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. Many doctors disagree about the effects of plaquenil on the arthritis. It does help in about 60 % of the cases of arthritis by significantly reducing the pain. However, about 20 – 30 percent of people stop using it because of the side effects. Side effects include digestive problems, skin rash and disorders of skin pigmentation. Some side effects of hydroxychloroquine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.