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 chloroquine: Incidence not known Some side effects of chloroquine may occur that usually do not need medical attention. Oral chloroquine di Hla-dr4 rheumatoid arthritis and hydroxychloroquine Plaquenil for recurrent pregnancy loss Common side effects Nausea and diarrhea This can often can be combatted by taking Plaquenil with food or milk. Dizziness Precautions with this side effect Do not drive, use machinery. Cramps. Headache. Dry skin. Loss of appetite. Comment Plaquenil is the devil! Worked well 1st 2 mts. After that I had issues with my vision, felt waves of nervousness, and extreme anxiety where I started to question my sanity. Hallucinated, broke out in rashes and crying spells. Summary We study how severe was Heart failure, when it was recovered, drug effectiveness, race, and more among people who take Plaquenil. This study is created by eHealthMe based on reports of 1,993 people who have side effects when taking Plaquenil from sources other than FDA, and is updated regularly. 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. Severe side effects of plaquenil Long-Term Side Effects of Plaquenil for Rheumatoid., Plaquenil oral Reviews and User Ratings Effectiveness, Ease. Plaquenil and celebrex interactionWhat is aralenPlaquenil and sore eyes When cut, too much of the drug can be released at once and cause a reaction or side effects. When prescribed 300 mg. daily, you should alternate one tablet one day with two the next. I've been on Plaquenil for almost four years now and it's helped me a lot. Plaquenil side effects - Scleroderma - Inspire. Heart failure in Plaquenil how severe and when it was.. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Nervousness, irritability, dizziness although these effects are uncommon Major neurological side effects confusion, seizures – These are quite rare, but if you experience them, alert your doctor immediately. Exacerbation of psoriasis – If you have psoriasis, Plaquenil may make your condition worse. Serious side effects have been reported with Plaquenil including the following Heart failure. Plaquenil can cause weakening of the heart muscle, resulting in heart your healthcare provider right away if you have some or all of the following symptoms of heart failure. breathlessness; swelling of the legs; irregular heart beat; fatigue; dizziness PLAQUENIL has been shown to cause severe hypoglycemia including loss of consciousness that could be life threatening in patients treated with or without antidiabetic medications see DRUG INTERACTIONS and ADVERSE REACTIONS. Patients treated with PLAQUENIL should be warned about the risk of hypoglycemia and the associated clinical signs and symptoms.