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 hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Hydroxychloroquine tinnitus Plaquenil toxicity in macular oct layer changes Hydroxychloroquine goodrx Side effects of hydroxychloroquine. The adverse effects of this drug canappear in combination or alone, and usuallythey occur when the medicine is used for a long period of time. Of ocular side effects, the mostfrequent is blurred vision. Hydroxychloroquine SULFATE Side Effects by Likelihood and Severity INFREQUENT side effects. If experienced, these tend to have a Severe expression. A Disorder Of The Retina Of The Eye; Hydroxychloroquine 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. 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. Hydroxychloroquine gastrointestinal side effects Common Hydroxychloroquine sulfate side effects a study from., Common and Rare Side Effects for Hydroxychloroquine Oral Chloroquine nursing implicationsWhat if plaquenil doesn t workPlaquenil cause insomniaDo you need to take pain meds with plaquenilPlaquenil anger Some side effects of hydroxychloroquine may occur that usually do not need medical attention. 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. Hydroxychloroquine Side Effects -. Hydroxychloroquine Plaquenil Success, Reviews and Side.. PATIENT FACT SHEET Hydroxychloroquine Plaquenil. If you are taking Plaquenil to treat an inflammatory condition or malaria, you should be aware of the side effects that may occur to your eyes and vision. Plaquenil hydroxychloroquine is in a class of drugs called disease-modifying anti-rheumatic drugs, which are used to decrease inflammation, pain and joint damage. Find patient medical information for Hydroxychloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Hydroxychloroquine 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.