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. Can i take plaquenil with percocet Dose of chloroquine phosphate fish tank Success with plaquenil Hydroxychloroquine what herbs to take Hydroxychloroquine Plaquenil is considered a disease-modifying anti-rheumatic drug DMARD. It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. Check with your doctor immediately if any of the following side effects occur Incidence not known. Blistering, peeling, loosening of the skin blurred vision or other vision changes chest discomfort, pain, or tightness cough or hoarseness dark urine decreased urination defective color vision diarrhea difficulty breathing Side Effects Nausea, stomach cramps, loss of appetite, diarrhea, dizziness, or headache may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. Remember. If you notice any other effects, check with your healthcare professional. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them: Other side effects not listed may also occur in some patients. Side effects of long term use of plaquenil Plaquenil hydroxychloroquine Basics, Side Effects., Hydroxychloroquine Oral Route Side Effects - Mayo Clinic Plaquenil a adderallChloroquine rheumatoid arthritisSide effect plaquenil eyes Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. You may report side effects to FDA at 1-800-FDA-1088. Back to Top. Hydroxychloroquine - Side Effects, Dosage, Interactions.. Plaquenil Oral Uses, Side Effects, Interactions.. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Plaquenil - Get up-to-date information on Plaquenil side effects, uses, dosage, overdose, pregnancy, alcohol and more. Learn more about Plaquenil. All patients on long term therapy should be questioned and examined periodically, including the examination of skeletal muscle function and tendon reflexes, testing of knee and ankle reflexes, to. Tell your doctor if any of the following side effects, as they may be indications of a more serious reaction Headache. Loss of appetite. Dizziness. Nausea. Diarrhea, vomiting, or stomach pain. Skin rash. What are the possible side effects of antimalarial drugs? Plaquenil is most often well-tolerated but, like with any drug, side effects are possible. Most people about 90% who take antimalarial medications experience no side effects. If common side effects do occur, they are usually minor and last only for a short period of time.