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. Synthesis of chloroquine phosphate Plaquenil guidelines review of optometry Hi Lynwood, The plaquenil has caused a weight gain of about 20-25 pounds for me. Since I was diagnosed with MCTD a year ago, Plaquenil has been the only medication besides eye supplements, thyroid meds - been stable for years, and most recently Evoxac that I have been given. Up to half of patients treated with the arthritis drug hydroxychloroquine Plaquenil are prescribed more than the recommended maximum amount, according to new separate studies, Canadian and U. S. researchers found that 30 to 50 percent of patients didn’t receive the dose outlined in treatment guidelines; a smaller percentage didn’t get recommended eye exams. PLAQUENIL Hydroxychloroquine Sulfate 200 mg Pill with imprint PLAQUENIL is White, Figure eight-shape and has been identified as Hydroxychloroquine Sulfate 200 mg. It is supplied by Sanofi-Synthelabo Inc. 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. Pill findercan u get high on hydroxychloroquine Minocycline and Plaquenil - Scleroderma - Inspire, Wrong Hydroxychloroquine Dose Is Common, Putting Eyes at. Can you take plaquenil before surgeryPlaquenil make tongue starchy Hydroxychloroquine Oral tablet 200mg Drug Medication Dosage information. Learn about the reported side effects, related class drugs, and how these medications will affect your daily lifestyle. Visit for more details. Hydroxychloroquine Oral Tablet 200Mg Drug Medication.. PLAQUENIL Pill Images White / Figure eight-shape. Hydroxychloroquine Oral Tablet 200Mg Drug Medication Dosage.. He should not have these pills without your knowledge, they are only used for serious medical issues that you would know about. My guess is he might have been given it by a friend who told him it would get him high, because after all, kids are pretty dumb sometimes and don't realize how dangerous these medications can be. Plaquenil is effective for Lupus patients, as well as people with UCTD described to me by a rheumatologist as "Lupus-like" or "Lupus-lite" or "mild Lupus". So it's very possible to be on Plaquenil without having a formal Lupus diagnosis. To get a Lupus diganosis you need to have 4 or more of 11 Lupus criteria, within a 5 year period. Side Effects. Drug information provided by IBM Micromedex Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.