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. Plaquenil and rheumatoid arthritis reviews Tlr7 hydroxychloroquine ic50 Plaquenil 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. 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. This is not a complete list of side effects and others may occur. Although they are uncommon, Plaquenil has side effects that may affect your eyes. Plaquenil and Your Eyes In some people, Plaquenil can cause a condition called hydroxychloroquine retinopathy, often referred to as bulls-eye maculopathy. 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. Complete list of side effects of plaquenil Plaquenil Oral Uses, Side Effects, Interactions., Hydroxychloroquine Uses, Dosage & Side Effects - Plaquenil usesIs there a difference between hydroxychloroquine and hydroxychloroquine sulfateChloroquine epilepsyHow does plaquenil affect eyes Plaquenil Side Effects by Likelihood and Severity INFREQUENT side effects. If experienced, these tend to have a Severe expression. A Disorder Of The Retina Of The Eye;. RARE side effects. Common and Rare Side Effects for Plaquenil Oral. Plaquenil Side Effects on Your Eyes and Vision. Plaquenil Side Effects Common, Severe, Long Term -. Malaria caused by the Protozoa Plasmodium Falciparum Preventive Treatment of Vivax Malaria malaria prevention systemic lupus erythematosus Preventive Treatment of Quartan Malaria Preventive Treatment of Ovale Malaria Malaria caused by the Protozoa Plasmodium Vivax disease that causes disc-shaped patches on upper body Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking hydroxychloroquine and call your doctor at once if you have trouble focusing, if you see light streaks or flashes in your vision, or if you notice any swelling or color changes in your eyes. 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.