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. Stopping plaquenil during pregnancy Ran out of plaquenil Why is the drug hydroxychloroquine Hydroxychloroquine hyperpigmentation More common side effects. The more common side effects that can occur with hydroxychloroquine include headache; dizziness; diarrhea; stomach cramps; vomiting; Mild side effects may go away within. Jan 30, 2018 For those of you that take Plaquenil, did you start out with some side effects that eventually went away? If so, how long before the they subsided? I just started this past week and have been having headaches. My awesome rheumatologist did say there could be some side effects initially but they would probably subside once my body gets used to it. What are some other side effects of Plaquenil? All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away Dizziness. Headache. Feeling nervous and excitable. Not hungry. 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. Do side effects of plaquenil start right away Plaquenil Side Effects - GoodRx, Plaquenil side effects question - Scleroderma - Inspire Dose of chloroquine for malaria treatmentScalp itching and plaquenilColor vision changes associated with plaquenil toxicityPlaquenil effects on eyesHydroxychloroquine nightmares Plaquenil Side Effects by Likelihood and Severity INFREQUENT side effects. If experienced, these tend to have a Severe expression. A Disorder Of The Retina Of The Eye;. RARE side effects. Common and Rare Side Effects for Plaquenil Oral. Plaquenil Indications, Side Effects, Warnings -. Plaquenil Side Effects Common, Severe, Long Term -. Tell your doctor if you have any side effect that bothers you or does not go away. These are not all the possible side effects Plaquenil. For more information, ask your doctor or pharmacist. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. Common Side Effects of Plaquenil. four tablets are usually taken right away. After that, two tablets are taken six to eight hours later, followed by two tablets on each of the next two days. Re Plaquenil side effects. Plaquenil made me a bit nauseated in the beginning but that wnet away within a few weeks. You usually need to be on Plaquenil for a few mon ths for it to take effect. I have read several times that those going from brand name Plaquenil to generic have had problems, including flares.