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 bull& 39 Can i take tums with plaquenil 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. SIDE EFFECTS. The following adverse reactions have been identified during post-approval use of PLAQUENIL or other 4-aminoqunoline compounds. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. Plaquenil hydroxychloroquine belongs to a group of medicines called quinolines. Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. 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. Common side effects of plaquenil Lupus Medicines Hydroxychloroquine - Brigham and Women's., Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses Plaquenil lupus nephritisHydroxychloroquine what herbs to takePlaquenil pulmonary Jun 30, 2015 Take Plaquenil exactly as prescribed. Plaquenil comes in tablet form. It is taken once or twice a day, unless it is used for the prevention of malaria, in which case it is taken once a week beginning 1 to 2 weeks prior to traveling to an area where malaria is common. Plaquenil - Side Effects, Uses, Dosage, Overdose, Pregnancy.. Plaquenil Uses, Dosage & Side Effects -. Plaquenil What You Need to Know - Kaleidoscope Fighting Lupus. Hydroxychloroquine typically is very well tolerated. Serious side effects are rare. The most common side effects are nausea and diarrhea, which often improve with time. Less common side effects include rash, changes in skin pigment such as darkening or dark spots, hair changes, and muscle weakness. 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 hydroxychloroquine has been shown to improve physical function in up to 80% of patients with rheumatoid arthritis. Plaquenil hydroxychloroquine is commonly used for lupus in children because of less side effects compared to other medications. Plaquenil hydroxychloroquine helps minimize joint damage.