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 generic brand Can chloroquine abort pregnancy Chloroquine ifn signature Discoid lupus and plaquenil Jun 17, 2003 Hi, Has anyone had any negative side effects from taking plaquenil? It makes me terribly itchy, dizzy & nauseous. I take meclazine to ward off these side effects but my Dr. hasn't had any other patients with these rx. I'm just concerned about taking too much medication and wonder if anyone. You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088. The opinions expressed in WebMD Communities are solely those of the User, who may or may not have medical or scientific training. Mar 03, 2016 The only major side effect, and it is major, is that sometimes in can build up in the eye and damage vision. But it is something they can catch easily. I had to have a baseline image of my eyes with a kind of fluoroscope before starting the Plaquenil. 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. Side effects plaquenil forums Plaquenil side effects anyone? ProHealth Fibromyalgia., Hydroxychloroquine side effects" Rheumatoid Arthritis. Chloroquine resistance 2017Hydroxychloroquine mechanism of action medscapeSuccess with plaquenilPlaquenil et prise de poidsBaseline labs required before starting 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. Remember. Plaquenil Oral Uses, Side Effects, Interactions, Pictures.. Plaquenil - how long for side effects to subside?. Hydroxychloroquine User Reviews for Rheumatoid Arthritis at.. Rheumatoid arthritis and was immediately placed on Plaquenil. I agree that it is a relatively benign drug, insofar as immediate side effects are concerned. Stomach problems, if they exist, can be easily combated with Rinitidine. However, the one side effect that can and does happen, quite often, is retinal damage. I have been on Plaquenil for 9 years with no side effects. However, I make sure to get my eyes examined yearly, including the "field vision test". This is extremely important as Plaquenil can but it is rare cause eye damage. The first few years on the Plaquenil, my eye exams were every 6 months, but now it is just once a year. More in Eye Health. If you are taking Plaquenil to treat an inflammatory condition or malaria, you should be aware of the side effects that may occur to your eyes and vision. Plaquenil hydroxychloroquine is in a class of drugs called disease-modifying anti-rheumatic drugs, which are used to decrease inflammation, pain and joint damage.