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. Michael marmor plaquenil dec 2015 Plaquenil for asthma Plaquenil medicine side effects Plaquenil macular oct Hi, I JUst wanted to let you know that Plaquenil, and other lupus meds can be rough on your stomach.so in the beginning than long term. My doctor reccomended that I eat 100 calories at least prior to taking Plaquenil and Naproxen. I was prett nauseous the frist 2 weeks on these meds, but over time it diminished. Started taking plaquenil a week ago. All was well until today when I started with slight nausea no appetite dont know if its the plaq. or something else. For those of you who had stomach problems from plaq. when did yours start, how bad did it get and how long did it last? Hope everyone is having a great weekend! I started taking Plaquenil 4 weeks ago for non specific autoimmune disease as indicated by ANA. Symptoms were low grade temperature off and on for a year, joint pain and fatigue. I have already felt some relief. Some nauseau at first but less problem with fever and joint pain. But, now I have started having stomach cramps and diarrhea. I understand these may go away. Is there anything I can. 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 stomach problems Stomach pain from using plaquenil Undiagnosed Abdominal Pain., Upset stomach from plaquenil - Sjogren's World What doctor can do plaquenil baseline testHydroxychloroquine sulphate tablets ip 200 mgPlaquenil 300 mgNo need to check g6pd level for plaquenil 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. Plaquenil Side Effects Common, Severe, Long Term -. Stomach problems with Plaquenil • Johns Hopkins Arthritis Center. Plaquenil hydroxychloroquine Basics, Side Effects.. If you don't have to, don't stop your plaquenil. I stopped taking the plaquenil the beginning of December. It doesn't agree with my stomach I take it with meals too. And since I hadn't had a miraculous recovery the 6 months I'd been on it, I didn't think there was any harm in stopping it. I've gradually have become sensitive to dairy but the last few days, it all but kills me. I've been on Plaquenil for almost 2 wks now and I'm also taking Prednisone, could one of these be causing my extreme stomach cramps? 2 nights ago, I had a cheeseburger and mac and cheese and I thought I was going to Plaquenil can cause serious side effects when used in high doses for chronic diseases such as RA over the long term. The New Zealand Dermatological Society recommends that to decrease the risk of retina damage, no more than 200mg of Plaquenil should be taken a day, and a dose of 400mg per day should be taken no longer than a few weeks.