Hydroxychloroquine is available as the brand-name drug Plaquenil. Generic drugs usually cost less than the brand-name version. Hydroxychloroquine may be used as part of a combination therapy. What are chloroquine phosphate tablets used for What if plaquenil doesn't work for lupus Chloroquine cost us Plaquenil can cause serious side effects when used in high doses for chronic diseases such as RA over the long term. The New Zealand Dermatological Society recommends that to decrease the risk of retina damage, no more than 200mg of Plaquenil should be taken a day, and a dose of 400mg per day should be taken no longer than a few weeks. Tell your doctor if any of the following side effects, as they may be indications of a more serious reaction Headache. Loss of appetite. Dizziness. Nausea. Diarrhea, vomiting, or stomach pain. Skin rash. Serious side effects and their symptoms can include the following blurred vision or other vision changes. ringing in your ears or hearing loss. angioedema, or rapid swelling of your skin. hives. mild or severe bronchospasm that causes trouble breathing. sore throat. unusual bleeding or bruising. Hydroxychloroquine is used to treat lupus erythematosus and rheumatoid arthritis. It isn’t fully understood how this drug works to treat lupus erythematosus or rheumatoid arthritis. That means you may need to take it with other drugs. It treats malaria by killing the parasites that cause the disease. Plaquenil side effect skin Hydroxychloroquine Oral Route Side Effects - Mayo Clinic, Plaquenil Hydroxychloroquine - Side Effects, Dosage. Treatment of cerebral malaria chloroquineWhat does aralen doCdc chloroquine resistancePlaquenil vomitingAdverse effects of hydroxychloroquine If you are taking Plaquenil to treat an inflammatory condition or malaria, you should be aware of the side effects that may occur to your eyes and vision. Plaquenil hydroxychloroquine is in a class of drugs called disease-modifying anti-rheumatic drugs, which are used to decrease inflammation, pain and joint damage. Plaquenil Side Effects on Your Eyes and Vision. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Skin Discoloration and Plaquenil - Arthritis Information. The benefits of Plaq take from 2 - 6 months. However the side effects / stomach issues join the party right at the start. From day 1 or 2 this med made me, well, kinda queasy. I was not nauseous, but I was not interested in eating. Then the real fun began -- massive gas, and oh yeah the diarrhea. Imodium AD was the way I got through the day. RARE side effects. If experienced, these tend to have a Severe expression. Abnormal Liver Function Tests. Acute Liver Failure. Acute Pustular Eruptions On Skin. Bronchospasm. Decreased Blood Platelets. Decreased White Blood Cells. Find patient medical information for Hydroxychloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings.