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. Itching after taking chloroquine Chloroquine countries At mentions that in overdose conditions or hypersensitive patients, plaquenil can cause dizziness and heart palpitations -- so these are definitely issues that you should talk to your doctor about. Perhaps there is a dosage between 200 and 400 that will be right for you. This may lead to lasting eyesight problems. The risk may be higher if you have some types of eye or kidney problems. The risk may also be higher with some doses of Plaquenil hydroxychloroquine, if you use Plaquenil hydroxychloroquine for longer than 5 years, or if you take certain other drugs like tamoxifen. Call your doctor right away if. Find information about common, infrequent and rare side effects of Hydroxychloroquine Oral. 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 dizziness Hydroxychloroquine - LiverTox - NCBI Bookshelf, Plaquenil Indications, Side Effects, Warnings - Precautions of chloroquineIs plaquenil bad for youCan you stop taking plaquenil I'm convinced the dizziness I just call it the weak and woozies is due to the Sjogrens. I thought it was the Plaquenil because dizziness is listed as a side effect. But it happens off the medication as well. I've experimented with this a few times. Like Babs659, the only thing that helps me feel less wobbly is a course of steroids. Plaquenil and dizziness? Updated. Common and Rare Side Effects for Hydroxychloroquine Oral. Plaquenil and dizziness -. Hydroxychloroquine HCQ, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine-sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. It is taken by mouth. Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Hydroxychloroquine is a quinoline medicine 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.