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. Chloroquine hyperprolactinemia Hydroxychloroquine radiotherapy Withdrawal effects of plaquenil Aralen precauitions You can get vitamin B12 deficiency anemia if you don't get enough vitamin B12 in your diet from foods like milk, eggs, and meat. You're more likely to be low in this vitamin if you're older, or you eat a vegetarian diet. It can also happen if your body can't absorb enough of it from the foods you eat. Here’s how you can tell if you have vitamin B12 deficiency. Apart from amemia, the deficiency of vitamin B12 can also a number of other health problems. Here is a list of symptoms that can indicate a deficiency of vitamin B12. Skin problems. When your vitamin B12 reserves are low, the first organ to take a hit is your skin. Symptoms of a deficiency depend on what type of vitamin B you lack. They can range from fatigue and confusion to anemia or a compromised immune system. Skin rashes also can occur. 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 B-12 Deficiency & Bruising, Symptoms of vitamin B complex deficiency you should know. Hydroxychloroquine best time to takeChloroquine phosphate reef central 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. Vitamin B6 Toxicity Symptoms. Symptoms of Vitamin B Deficiency -. Vitamin B deficiency Symptoms, Diagnosis, Treatments and.. Vitamin B12 deficiency resulting from inadequate dietary intake is the easiest to treat. The condition can be reversed by taking oral vitamin B12 supplements and adding foods containing B12. When the anemia is severe and the red blood cell count is extremely low, blood transfusions may be necessary for the first couple of days until the vitamin B12 injections begin working. Vitamin B12 deficiency is common and can present itself in various ways, making it difficult to identify. If you’re at risk and have any of the symptoms above, speak to your doctor. 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.