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. Will plaquenil show up on a drug test Hydroxychloroquine monitoring requirements Note This document contains side effect information about hydroxychloroquine. 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. Lupus Support Group. Lupus is an auto-immune disease in which the immune system cannot distinguish between threats like viruses and bacteria, and healthy cells and tissue. As a result, the body produces antibodies that inflict cell damage, most commonly targeting joints, skin, kidneys and the nervous system. A deficiency of vitamins B6, B9 folate and B12 in the B-complex have been associated with depression and other psychiatric problems, according to University Health News. A clinical trial, published in The Open Neurology Journal, identified the link between vitamin B12 deficiency and depression. Results indicated that 22 percent of patients with depression had a high vitamin B12 deficiency, and 36 percent had a lower-than-normal level of B12. 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 Vitamin B12 Deficiency Guide Causes, Symptoms and., Vitamins with plaquenil and pred. DailyStrength What happens when you take plaquenil with out having lupusAutophagy necroptosis chloroquinePlaquenil dosage for discoid lupus Pernicious anemia vitamin B-12 deficiency is anemia reduced number of red blood cells due to the body’s inability to absorb vitamin B-12 from the GI tract. Signs and symptoms may occur slowly over the years and are nonspecific pernicious; they include numbness, tingling, weakness, clumsiness, lack of coordination, impaired memory and possibly personality changes. Pernicious Anemia Vitamin B-12 Deficiency Symptoms and Signs Causes. Vitamin B Complex Deficiency Symptoms. Plaquenil Uses, Dosage & Side Effects -. 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. Vitamin B-12 injections or nasal spray might be prescribed to treat vitamin B-12 deficiency. Because your body is capable of storing several years' worth of vitamin B-12, deficiency is rare. However, if you follow a vegetarian or vegan diet, you might be prone to deficiency because plant foods don't contain vitamin B-12. 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.