I've been on plaquenil for 6 months for suspected Sjogren's syndrome (I don't have antibodies for Sjorgren's or Lupus but I do have Hashimoto's and have all the symptoms for Sjorgren's so the rheumatologist suggested a trial of plaquenil). Basically I've been on the drug since January and saw the rheumatologist on Wednesday to see how things are going. How does hydroxychloroquine cause retinopathy Which of the following statements concerning chloroquine is correct Is hypoglycemia related to use of plaquenil 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. 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. One of the reasons that physicians feel comfortable in prescribing Plaquenil is its low risk to benefit ratio. This means that the side effects of Plaquenil are mild and infrequent compared with its potential benefits. As with any medication, allergic reactions including skin rashes and non-allergic reactions can occur. I do think it's helped with fatigue and muscle pain but it's hard for me to compare to Xmas as when the improvement is so gradual I think it's really hard to notice on a gradual basis. I *think* I'm improving but it's been a gradual process and I said to him that it's quite hard to tell how much of an improvement I'm feeling. Pain after stopping plaquenil Will you have Withdrawal syndrome with Plaquenil - eHealthMe, Stomach problems with Plaquenil • Johns Hopkins Arthritis Center How chloroquine is related to itchChloroquine prophylaxis 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. Had to stop taking Plaquenil -. The Risk of Retinal Toxicity with Plaquenil - Sjogren's. Let me tell you what weaning down from Plaquenil is like.. In April of 2012 I started taking 400 mg 2 x's a day. I did start to notice that I was having pain when I tried to sleep at night. Mostly in my arms hands and ankles. Then I started to notice that I was having pain in my back and left hip as the day wore on and especially after taking the plaquenil in the evening. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil is available in generic form. What Are Side Effects of Plaquenil? Common side effects of Plaquenil include. nausea, vomiting, stomach pain or cramps, loss of appetite, weight loss, diarrhea, dizziness, spinning sensation, headache, Though Plaquenil is generally regarded as safe during pregnancy, it is recommended that effective birth control is used throughout the course of Plaquenil treatment and for up to six months after treatment is stopped.