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. Is nausea and flu like symptoms normal when taking plaquenil Chloroquine walmart Vitamin B12 deficiency, also called cobalamin deficiency, is a medical condition of low B12 levels in the blood. According to studies, one in every five adults in the United States suffers from vitamin B12 deficiency. Prolonged high doses of vitamin B6, leading to toxicity, produce similar symptoms to a vitamin B6 deficiency, according to a study published in Toxicology in Vitro in 2017. Vitamin B6 deficiency and toxicity often involve changes in the blood, skin, heart, gastrointestinal and, especially, neuronal cells. The most detailed info about Plaquenil I've seen is in several lupus hardcovers one by Dr. Daniel Wallace, and the other by Dr. Robert Lahita. Most libraries & larger bookstores have one or both. Many people with lupus are vitamin deficient & some are flat-out anemic, due to chronic inflammation. 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. Votamin b deficiency feom plaquenil Pernicious Anemia Vitamin B-12 Deficiency Symptoms and Signs Causes, Vitamin B6 Toxicity Symptoms Hydroxychloroquine side effects classWhat is a potential adverse effect of hydroxychloroquine plaquenilHydroxychloroquine side effects fluid retentionChloroquine brand names in india Vitamin B-12 deficiency anemia. Vitamin B-12 deficiency can result from a diet lacking in vitamin B-12, which is found mainly in meat, eggs and milk. However, the most common cause of vitamin B-12 deficiency anemia is a lack of a substance called intrinsic factor, which can be caused when your immune system mistakenly attacks the stomach cells that produce this substance. Vitamin deficiency anemia - Symptoms and causes - Mayo Clinic. Immune & Autoimmune - Lupus Plaquenil Depletes Vit D.. Plaquenil Side Effects Common, Severe, Long Term -. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Important information. Taking Plaquenil long-term or at high doses may cause irreversible damage to the retina of your eye. High homocysteine levels usually indicate a deficiency in vitamin B-12 or folate. A normal level of homocysteine in the blood is less than 15 micromoles per liter mcmol/L of blood. Insufficient vitamin B intake for normal functioning of the body. There are actually 8 different types of B vitamins thiamine B1, riboflavin B2, niacin B3, pyridoxine B6, folic acid B9, cyanocobalamin B12 pantothenic acid and biotin. A vitamin B deficiency can involve any one of these types or a combination.