Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. Hydroxychloroquine uptodate Hydroxychloroquine mechanism of action in lupus Taking Plaquenil long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking Plaquenil and call your doctor at once if you have trouble focusing, if you see light streaks or flashes in your vision, or if you notice any swelling or color changes in your eyes. 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. Plaquenil - Get up-to-date information on Plaquenil side effects, uses, dosage, overdose, pregnancy, alcohol and more. Learn more about Plaquenil. visual field. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. Plaquenil visual field loss Hydroxychloroquine toxicity - EyeWiki, Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses Chloroquine dosage lupus What I did not know is that the visual field is affected, I didn't even know it existed. The eye doc explained that it visual field defects are not reversible. Some research on the web also indicates that the defects can occur well beyond the discontinuing of the Plaquenil. The good thing is I really don't think i notice any visual field defects. Visual Field loss with Plaquenil - Sjogren's World. Plaquenil - Side Effects, Uses, Dosage, Overdose, Pregnancy.. Focus on Eyes Long-term Plaquenil intake can affect your vision. Find information about common, infrequent and rare side effects of Plaquenil Oral. Next, granular pigmentation and loss of the normal foveal reflex can occur. • 10-2 central threshold automated visual fields with a white target • Subtle, repeatable visual field defectsshould be taken seriously and. Plaquenil is manufactured in only a 200 mg tablet Visual field abnormalities occurred in 35 patients. Five patients developed hydroxychloroquine ocular adverse effects, of which 4 were visual field defects and 1 was significant vortex keratopathy. None of these patients developed visual symptoms, changes in visual acuity, or fundus abnormalities resulting from drug toxic effects nor did they.