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. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Plaquenil bladder infections Plaquenil drowsiness These medications may also prevent lupus from spreading to certain organs, such as the kidney and central nervous system your brain and spinal cord and may help to reduce flares by as much as 50%. Plaquenil and other anti-malarials are the key to controlling lupus long term, and some lupus patients may be on Plaquenil for the rest of their lives. Brain fog is a less well-known symptom of rheumatoid arthritis RA. People with RA may have difficulty concentrating, or they may have memory problems. Learn about the link between RA and brain. I have been taking 400 mg plaquenil for 8 months now and 4 months ago I started getting dizzy a lot and having vertigo attacks. I won't drive on the interstate anymore because I'm afraid I will get an attack and kill myself and someone else on the road because I usually lose all sense of balance. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Plaquenil and brain dizziness Plaquenil and dizziness? Updated, Brain fog and rheumatoid arthritis What is the link? Withdrawal effects of plaquenilPlaquenil hair loss folic acid Plaquenil and dizziness. Support Forums. GMT -7 I just saw my rheumy yesterday, and she wants me to try to increase the plaquenil from 200mg to 400mg. I took 400mg today with lunch, and I noticed I got very dizzy shortly after taking the higher dose within an hour. It was almost like the dizziness I had when I was on percocet after. Plaquenil and dizziness -. Plaquenil and vertigo ProHealth Fibromyalgia, ME/CFS and.. Plaquenil Uses, Dosage & Side Effects -. Here are 10 things to keep in mind when using Plaquenil Take it on a regular schedule, meaning at the same time each day. Take Plaquenil EXACTLY as prescribed by your physician. Do not stop taking the medication without first speaking to your doctor. Taking Hydroxychloroquine with food and/or milk can help prevent stomach upset. A brain fog can have many different origins such as mental illness or other diseases such as lupus. SLE systemic lupus erythematosus can affect many organs in the body, including the brain, thus causing this cognitive dysfunction or brain fog. Many who have been living with lupus for awhile are very familiar with the term “lupus fog. Note This document contains side effect information about hydroxychloroquine. Some of the dosage forms listed on this page may not apply to the brand name Plaquenil. For the Consumer. Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine the active ingredient contained in Plaquenil may cause some unwanted effects.