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. Chloroquine hek293 Mylan hydroxychloroquine ingredients Does plaquenil help fight infections Plaquenil tylenol interaction 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. The side effect that is of greatest concern is retinal toxicity. The first year or two I was on plaquenil I didn’t have a normal bowel movement for as long as I could remember and was constantly nauseous and could barely eat. It was always diarrhea the first few hours after I woke up but then I’d be fine the rest of the day. but my doctors have always said it’s impossible for this to be from 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 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. Side effects after stopping plaquenil Hydroxychloroquine MedlinePlus Drug Information, Plaquenil and. diarrhea! rheumatoid Imodium plaquenil Plaquenil is generally well-tolerated, but side effects are possible. Common side effects linked to Plaquenil include nausea and diarrhea. Taking the medication with food eases nausea for most people taking the drug. Less common side effects include skin rashes, hair thinning, and weakness. Taking Plaquenil for Rheumatoid Arthritis. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis.. Rx Side Effects New Plaquenil Guidelines and More - American.. I can't believe you were told to stop taking plaquenil after only 6 months since it can take up to one YEAR to achieve full benefits! I don't know much about any sort of withdrawal but if I were you I'd start taking it again. I'd also have your thyroid checked. I'm hypothyroid and take levo along with he plaquenil. In this review, we analyze Plaquenil side effects by the time on the drug, gender and age of the people who have side effects while taking Plaquenil. The review is based on 57,733 people who have side effects while taking the drug from Food and Drug Administration FDA. Common side effects may include headache, dizziness, ringing in your ears; nausea, vomiting, stomach pain; loss of appetite, weight loss; mood changes, feeling nervous or irritable; skin rash or itching; or; hair loss. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.