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. Ocular side effects hydroxychloroquine Does plaquenil reduce fevers Hydroxychloroquine lupus dose Visual field changes with plaquenil I was just about to write a post on about this then i saw this post, iv been on plaquenil for about 4 years and looking back about 2 years r more my moods have been all over the place one day im fine and happy next day like today all i want to do in hide in my bed and cry, is this a lupus thing r am i depressed? / Nov 11, 2008 Normally, toward the end of my work day, I get those symptoms every day, but yesterday after second day on increased plaquenil, had barely any of it whatsoever. And last week when I increased the plaquenil for two days, same thing. by the second day, wasn't having those things happen. Some of the dosage forms listed on this page may not apply to the brand name Plaquenil. For the Consumer. Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine the active ingredient contained in Plaquenil may cause some unwanted effects. Although not all of these side effects may occur, if they do occur. 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. Plaquenil cause dizziness after 2 years Hydroxychloroquine Side Effects, Dosage, Uses, and More, Increasing plaquenil, having problems Chloroquine maculopathy pptChloroquine resistant malaria drugsHydroxychloroquine sulphate side effects Do not take Plaquenil after the expiry date printed on the bottle. It may have no effect at all, or worse, an entirely unexpected effect if you take it after the expiry date. Plaquenil hydroxychloroquine sulfate Drug / Medicine.. Plaquenil Side Effects Common, Severe, Long Term -. Will you have Dizziness with Plaquenil - eHealthMe. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. I had that reaction to Plaquenil. After 2 weeks on a half dose, I began vomiting, heaving and had a terrible headache and nauseating dizziness. I stopped the Plaquenil and after a week the symptoms abated. I recently decided to stop taking Plaquenil because I was having constant chest pains even more so than I usually have due to Lupus. Since I have not taken it my chest feels so much better which is odd because chest pain is not listed as a side effect. Also I noticed that the Plaquenil I think was making me feel different but not in a good way.