Additionally, another exception occurred while executing the custom error page for the first exception. Applies to hydroxychloroquine: oral tablet Along with its needed effects, hydroxychloroquine (the active ingredient contained in Plaquenil) may cause some unwanted effects. Can chloroquine injection terminate pregnancy Plaquenil c 24-2 Ocular side effects of hydroxychloroquine can include impact on the cornea, ciliary body, lens and retina. 1 Corneal deposits, fortunately, rarely affect vison. 2 However, the concern of retinal toxicity and the need for monitoring must be reviewed with patients prior to and during its use. 2,3 Irreversible retinal damage observed in some patients who had received hydroxychloroquine sulfate; significant risk factors for retinal damage include daily doses of hydroxychloroquine sulfate greater than 6.5 mg/kg 5 mg/kg base of actual body weight, durations of use greater than five years, subnormal glomerular filtration, use of some. Sometimes Plaquenil can also deposit in the tissues of the body and cause the skin to take on a greenish tone. Dry skin Loss of appetite Abdominal bloating Upset stomach Stomach cramps Retinal damage There is a small chance that retinal damage will occur while taking hydroxychloroquine Plaquenil or chloroquine Aralen. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Although not all of these side effects may occur, if they do occur they may need medical attention. Hydroxychloroquine retinal deposits Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects., Plaquenil hydroxychloroquine sulfate dosing, indications. Plaquenil and light sensitivityPlaquenil and cataractsCognative issues plaquenil Chloroquine and hydroxychloroquine belong to the quinolone family. They are related drugs with similar clinical indications for use and similar manifestations of retinal toxicity, although their therapeutic and toxic doses differ. Chloroquine and Hydroxychloroquine Toxicity Clinical Presentation.. Plaquenil and spots on skin DailyStrength. Chloroquine And Hydroxychloroquine Toxicity - StatPearls.. Is there really a scarcity in cases, though? New information shows that hydroxychloroquine retinal toxicity occurs 7.5 percent of the time, which is not that rare. 3. In those patients who are affected, their daily dose and duration of use varied widely. None of the patients who took hydroxychloroquine and tamoxifen concurrently showed crystalline deposits or macular edema that is characteristic of tamoxifen retinopathy, 17 but they all had parafoveal outer retinal damage and were classified as having hydroxychloroquine retinopathy. Ocular findings of HCQ retinal toxicity as detected by various screening modalities. A female patient was diagnosed with HCQ retinal toxicity at the age of 53 years, having taken HCQ for 12 years at 400 mg/day. She was not obese and had no additional risk factors for toxicity.