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. Hydroxychloroquine bottle Hydroxychloroquine elimination While pernicious anemia is defined as anemia resulting from inadequate absorption of vitamin B-12 from the gastrointestinal tract due to the autoimmune process described above, other causes of vitamin B-12 deficiency can also produce the characteristic signs and symptoms of pernicious anemia. In addition, hydroxychloroquine Plaquenil is a medication known to cause anemia. Patients with hypothyroidism are also known to have anemia. So, although chronic blood loss seems to be the most likely cause for this anemia, other causes should also be considered. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis. Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria. Plaquenil is also used for long-term treatment of autoimmune diseases such as rheumatoid arthritis RA and systemic lupus erythmatosis. 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. Plaquenil cause anemia PLAQUENIL HYDROXYCHLOROQUINE SULFATE TABLETS, USP DESCRIPTION, Severe iron deficiency, lupus -Doctors LoungeTM Plaquenil medication for arthritisOcular side effects from plaquenilHow effective against malaria is chloroquineMalaria hydroxychloroquine resistance Aug 14, 2017 Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis. Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria. Plaquenil is also used for long-term treatment of autoimmune diseases such as rheumatoid arthritis RA and systemic lupus erythmatosis. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis.. Long-Term Side Effects of Plaquenil for Rheumatoid.. Hydroxychloroquine - Wikipedia. Sep 13, 2019 Some of the dosage forms listed on this page may not apply to the brand name Plaquenil. For the Consumer. Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine the active ingredient contained in Plaquenil may cause some unwanted effects. Although not all of these side effects may occur, if they do occur. Aplastic anemia is found among people who take Plaquenil, especially for people who are female, 30-39 old, have been taking the drug for 6 - 12 months, also take medication Prednisone, and have Paroxysmal nocturnal haemoglobinuria. Hello Potslupus, I already had Anaemia before taking plaquenil but anaemia is one of the side affects of plaquenil if it occured after taking the med but Lupus also can cause it.you really need to know which one as caused it. Here are the side affects of plaquenil and someone will answer in due course.