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 retinal toxicity guidelines Chloroquine phosphate eye drops Plaquenil retinopathy autofluorescence 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. Call your doctor at once if you have headache with chest pain and severe dizziness, fainting, fast or pounding heartbeats; I've had these visual disturbances---I don't know if stopping P will change anything, and I guess I'll find out. I have a feeling that Plaquenil takes quite awhile to leave your body. I will be thankful to get a break from my nightmares. I know that it's accumulating in my brain cells, and wonder if my retinas are next. Find information about common, infrequent and rare side effects of Plaquenil Oral. 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. Stopping plaquenil change to what Plaquenil Uses, Dosage & Side Effects -, Quitting Plaquenil after 2 years - Sjogren's World Chloroquine mechanism malariaWhat does plaquenil do for youMacular scar tissue plaquenil Hydroxychloroquine is a DMARD. The brand name is Plaquenil. What does Plaquenil do? Plaquenil relieves pain and swelling and prevents damage to joints. How long does Plaquenil take to work? Plaquenil works very slowly. In 1 to 3 months you should start to feel better. You may continue to get better for up to 1 year. Lupus Medicines Hydroxychloroquine - Brigham and Women's.. Common and Rare Side Effects for Plaquenil Oral. Plaquenil Withdrawal – Life As An Anomaly. So I ran out of my plaquenil and the Rheum. that prescribed it I am no longer seeing and wont re-fill it and I dont see my new Rheum. until Decemeber 23rd. I am nervous to see what will happen. The pharmacist said there wont be any danger just stopping it. Im just nervous to see what my body will do. Has anyone gone off the plaquenil and what happened? I hear my new Rheum. is all for it so I. Plaquenil isn a antiparasitic drug with anti-inflammatory affect. I have done a lot of research on this drug and haven't run into anybody who has complained of the withdrawal effect. Over the years on this site we have had quite a few people post that they didn't think that the plaquenil was working so they would stop taking it. Here are 10 things to keep in mind when using Plaquenil Take it on a regular schedule, meaning at the same time each day. Take Plaquenil EXACTLY as prescribed by your physician. Do not stop taking the medication without first speaking to your doctor. Taking Hydroxychloroquine with food and/or milk can help prevent stomach upset.