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. Plaquenil vision Chloroquine proguanil dose Can metoprolol and plaquenil be taken together Cutting plaquenil in half causing dosing errors Two days later the rash spread to my chest, stomach, and back. Went to urgent care where I was told it was most likely a reaction to the Plaquenil. Received a cortisone shot and a prescription for Prednisolone six day pack, and an antihistamine. For many patients with Sjogren's, Plaquenil hydroxychloroquine has long been the go to drug that their doctors prescribe. It is often the first line of attack before other more aggressive therapies are added such as methotrexate or rituximab that have bigger impacts on the immune system. Find information about common, infrequent and rare side effects of Plaquenil Oral. 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. Dizziness and plaquenil Plaquenil dizziness Autoimmune, Study Raises Questions about Sjogren's and Plaquenil Plaquenil vomiting Hydroxychloroquine oral tablet is available as a brand-name drug and a generic drug. Brand name Plaquenil. Hydroxychloroquine comes only as a tablet you take by mouth. Hydroxychloroquine is used to treat malaria, lupus erythematosus, and rheumatoid arthritis. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Common and Rare Side Effects for Plaquenil Oral. Dizziness - Symptoms and causes - Mayo Clinic. Dizziness is reported only by a few people who take Plaquenil and Botox. We study 74 people who have side effects while taking Plaquenil and Botox from Food and Drug Administration FDA. Among them, 4 have Dizziness. Find out below who they are, when they have Dizziness and more. Nov 11, 2008 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. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. diarrhea, dizziness, or headache.