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. Chloroquine-like drugs How effective is chloroquine Skin rashes. Arthritic flares in my fingers first occurred whilst I was taking it which made me wonder about the advantage of taking Plaquenil as I seemed to get no benefit from this medication. When I reported this to the Rheumatologist I was told that the flares would probably be worse if I were to stop taking it. What are the side effects of Plaquenil. eye Doctor says the left eye is showing toxins from the drug are starting to cause damage and I need to stop taking it. My. I have been on the plaquenil 200 mgm for about 4 months now. I did stop it for 2 weeks early in the treatment due to having to take a coupld other drugs that seemed to give me side effects. I just quit the plaquenil to give my liver a rest at that time. Noticed nothing different. Plaquenil isn a antiparasitic drug with anti-inflammatory affect. 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. What are the side effects from stopping taking plaquenil Plaquenil Side Effects Common, Severe, Long Term -, What are the side effects of Plaquenil? Hydroxychloroquine and chloroquine comparisonChloroquine dose for rheumatoid arthritisChloroquine diazepam suicideBuy aralen 500mg Like I have pressure on the top of my head. I nver had this before. Could this be a side effect of the Plaquenil and does it normaly go away after I take it for a while? Answer. That is an unusual side effect for Plaquenil. I would try stopping and restarting it to make sure Plaquenil is at fault. Plaquenil Side Effects - Arthritis Information. Let me tell you what weaning down from Plaquenil is like.. Plaquenil What You Need to Know - Kaleidoscope Fighting Lupus. Retinal damage. Plaquenil may cause irreversible damage to the retina the back of the eye where vision is created. You are required to have an eye exam before taking Plaquenil, then a follow-up as often as needed while taking Plaquenil. Tell your healthcare provider right away if you have some or all of the following symptoms. If you're taking Plaquenil for an autoimmune condition, your symptoms should begin to improve after a few months, but it can take up to six months for full effects. Stop taking the medicine and. Saturday was a week since I stopped taking Plaquenil, aka Hydroxychloroquine, per my doctor's instructions, and I think I am going through some form of withdrawal. I took the drug as a treatment for sarcoidosis and one of the side effects is a reduction in white blood cells, which is what has happened to me.