These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. What is the half life of plaquenil Plaquenil and weight loss Pill pic chloroquine In summary Plaquenil isn't causing tyour new problems. It probably caused only the nausea, diarrhea, stomach cramps, and intense vertigo. BTW 100 mg daily may reduce side effects, but this low dosage also greatly annihilates its positive effects. 100 mg are a drop maybe two. on a hot stone. And finally Hydroxychloroquine received an overall rating of 7 out of 10 stars from 368 reviews. See what others have said about Hydroxychloroquine, including the effectiveness, ease of use and side effects. Hydroxychloroquine side effects may vary greatly from very mild side effects that go away with time to severe side effects like eye damage, ear damage, or heart problems. Some side effects may be experienced as the body adjusts to hydroxychloroquine but may diminish as the body becomes used to the drug. If you notice any other effects, check with your healthcare professional. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them: Other side effects not listed may also occur in some patients. Plaquenil stomach side effects Hydroxychloroquine Oral Uses, Side Effects, Interactions., Hydroxychloroquine Reviews Everyday Health How long does chloroquine itching lastLosing weight off of plaquenilPlaquenil and teeth loss Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis. Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria. Plaquenil is also used for long-term treatment of autoimmune diseases such as rheumatoid arthritis RA and systemic lupus erythmatosis. Long-Term Side Effects of Plaquenil for Rheumatoid.. Hydroxychloroquine Plaquenil Success, Reviews and Side Effects. Plaquenil side effects - kidney problems? - Symptoms - Life.. Serious side effects. blurred vision or other vision changes. ringing in your ears or hearing loss. angioedema, or rapid swelling of your skin. hives. mild or severe bronchospasm that causes trouble breathing. sore throat. unusual bleeding or bruising. blue-black skin color. muscle weakness. hair. Side Effects. Nausea, stomach cramps, loss of appetite, diarrhea, dizziness, or headache may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more.