This includes questioning the safety of topical products -- such as sunscreens -- over fear that they may cause birth defects. Haglund's syndrome is an inflammatory condition that could affect the area around your heel, where a small fluid-filled sac, called a bursa, allows the Achilles' tendon to slide smoothly over the bony ridge of your calcaneus (heel bone). Plaquenil immune system Chloroquine definition Doxycycline chloroquine May 07, 2012 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. 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. Our Plaquenil hydroxychloroquine Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Applies to hydroxychloroquine: oral tablet Along with its needed effects, hydroxychloroquine (the active ingredient contained in Plaquenil) may cause some unwanted effects. How long do hydroxychloroquine side effects last Evaluations from Patients who take Hydroxychloroquine., Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis Plaquenil prescribing informationIncidence of side effects plaquenilSide effects of taking hydroxychloroquineChloroquine show up on a drug test Children taking this medication for a long period of time may experience permanent damage to their vision and other side effects. How to take hydroxychloroquine All possible dosages and forms may. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Taking Plaquenil for Rheumatoid Arthritis. Aug 14, 2017 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. 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. Some side effects of hydroxychloroquine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.