Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Plaquenil (hydroxychloroquine) with all of your drugs and health problems. Hydroxychloroquine tablets ip hcqs 200 Hydroxychloroquine in rheumatoid arthritis mechanism of action Hydroxychloroquine cheap Hydroxychloroquine may not prevent malaria in all cases. If you experience fever or other symptoms of illness, seek immediate medical attention. blurred vision, dizziness, or tingling hands. Blurred vision or other vision changes chest discomfort, pain, or tightness cough or hoarseness dark urine decreased urination defective color vision diarrhea difficulty breathing difficulty seeing at night dizziness or fainting fast, pounding, uneven heartbeat feeling that others are watching you or controlling your behavior I have been on plaquenil for a while now and have started to have blurred vision. I have been to my eye doc. twice and all tests are normal. Should I continue to take it, I know that it can cause eye problems but my doc. says that it is very rare. For all uses of Plaquenil (hydroxychloroquine): WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Do not start, stop, or change the dose of any drug without checking with your doctor. Hydroxychloroquine blurry vision Hydroxychloroquine Side Effects, Dosage, Uses, and More, Hydroxychloroquine Oral Route Side Effects - Mayo Clinic Will plaquenil help autoimmune urticariaHydroxychloroquine cure headachesHydroxychloroquine and dormancyPlaquenil and alcohol side effectsCost of plaquenil at walmart pharmacy Hydroxychloroquine may cause some people to be agitated, irritable, or display other abnormal behaviors. It may also cause some people to have suicidal thoughts and tendencies, or to become more depressed. If you or your caregiver notice any of these side effects, tell your doctor right away. This medicine may cause hypoglycemia low blood sugar. Hydroxychloroquine Oral Route Precautions - Mayo Clinic. Plaquenil and blurred vision.. Plaquenil eye problems Mayo Clinic Connect. Common side effects linked with hydroxychloroquine use include nausea, loss of appetite, and headache. Nausea, blurred vision, and vomiting are common side effects of chloroquine use. More serious side effects associated with using hydroxychloroquine and chloroquine include fast heartbeat, ringing in the ears, vision changes, and muscle weakness. There is no Vision problems reported by people who take Plaquenil yet. This review analyzes which people have Vision problems with Plaquenil. It is created by eHealthMe based on reports from Food and Drug Administration FDA, and is updated regularly. eHealthMe has been monitoring drugs and supplements since 2008. When allowed to advance, hydroxychloroquine retinal toxicity leads to loss of up to three visual functions acuity, peripheral vision and night vision. Signs. On examination, a telltale sign of hydroxychloroquine toxicity is a bilateral change in the retinal pigment epithelium of the macula that gives the commonly described appearance of a bull.