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. What chloroquine Asprinn and plaquenil Drug interaction of allopurinol and plaquenil What is another name for plaquenil BRAND NAMES Plaquenil. Medication Uses How To Use Side Effects Precautions Drug Interactions Overdose Notes Missed Dose Storage. USES Hydroxychloroquine is used to prevent or treat malaria infections caused by mosquito bites. It does not work against certain types of malaria chloroquine-resistant. 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. Aug 29, 2014 Plaquenil, hydroxychloroquine HCQ, is an anti-malarial medication that has been proven to be useful in the treatment of patients with rheumatoid arthritis RA, systemic lupus erythematosus SLE and other inflammatory and autoimmune diseases. In Sjögren’s, Plaquenil is used to treat many symptoms. 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. Hydroxychloroquine issues Protecting your eyesight when taking Plaquenil Lupus., Hydroxychloroquine Side Effects Common, Severe, Long Term. Plaquenil burning eyesPlaquenil drug rash Hydroxychloroquine can cause serious vision problems. If you experience any changes in vision, stop taking hydroxychloroquine and call your doctor immediately. Do not let anyone else take your medication. Hydroxychloroquine MedlinePlus Drug Information. The Risk of Retinal Toxicity with Plaquenil. Hydroxychloroquine Uses, Dosage & Side Effects -. Does Hydroxychloroquine Have Side Effects? Like all medications, there is the risk of side effects. Fortunately, the problems seen by people taking this medication are usually very mild. Serious side effects are rare. Overall, most people who have any noticeable side effects from hydroxychloroquine experience diarrhea or nausea. Also, generic plaquenil hydroxychloroquine is often associated with more GI side effets than the name brand. Arthritis Center Founded in 1998, the Arthritis Center at Johns Hopkins is dedicated to providing quality education to patients and healthcare providers alike. Plaquenil hydroxychloroquine is considered an older DMARD disease modifying anti-rheumatic drug. Plaquenil was actually first classified as an antimalarial drug, but it is also used to treat certain rheumatic and autoimmune conditions which are unrelated to malaria.