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. Chloroquine in lupus What are the warning on the nnedicine named hydroxychloroquine Hydroxychloroquine and phototherapy combination morphea Plaquenil effects on fetus This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. What is the most important information I should know about hydroxychloroquine Plaquenil, Plaquenil Sulfate, Quineprox? Mar 17, 2019 Common hydroxychloroquine side effects may include headache, dizziness, ringing in your ears; nausea, vomiting, stomach pain; loss of appetite, weight loss; mood changes, feeling nervous or irritable; skin rash or itching; or. hair loss. Common Plaquenil side effects may include headache, dizziness, ringing in your ears; nausea, vomiting, stomach pain; loss of appetite, weight loss; mood changes, feeling nervous or irritable; skin rash or itching; or. hair loss. 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. What are the side effects of the drug plaquenil Hydroxychloroquine Plaquenil Success, Reviews and Side., Hydroxychloroquine Uses, Dosage & Side Effects - Chloroquine phosphate 500 mgHistory of plaquenilCan i take tramadol with plaquenilHydroxychloroquine sickle cell See the full Plaquenil side effects document. Commonly reported side effects include increased liver enzymes. See the full methotrexate side effects document. Plaquenil Compared to Alternatives -. Plaquenil Uses, Dosage & Side Effects -. Plaquenil Withdrawal – Life As An Anomaly. In rare cases, hydroxychloroquine Plaquenil can have side effects that affect the eyes, so people who take this medicine should see an ophthalmologist at least once a year. Common side effects of Plaquenil include. nausea, vomiting, stomach pain or cramps, loss of appetite, weight loss, diarrhea, dizziness, spinning sensation, headache, ringing in your ears, 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.