to choosing B-12 Generic Name: cyanocobalamin (oral) (sye AN oh koe BAL a min) Brand Name: B-12, Eligen B12, Vitamin B12 Overview Side Effects Dosage Interactions Pregnancy More User Reviews Support Group Q & A What is oral B-12 (cyanocobalamin)? Cyanocobalamin is a man-made form of vitamin B12. Vitamin B12 is important for growth, cell reproduction, blood formation, and protein and tissue synthesis. Cyanocobalamin is used to treat vitamin B12 deficiency in people with pernicious anemia and other conditions. Cyanocobalamin may also be used for purposes not listed in this medication guide. Slideshow Don't Believe The Hype: How Multivitamins Conquered The Land Of The Free What is the most important information I should know about oral B-12 (cyanocobalamin)? You should not use this medicine if you have Leber's disease. Cyanocobalamin can lead to optic nerve damage (and possibly blindness) in people with Leber's disease. What should I discuss with my healthcare provider before taking oral B-12 (cyanocobalamin)? You should not use this medicine if you are allergic to cobalt, or if you have Leber's disease. Cyanocobalamin can lead to optic nerve damage (and possibly blindness) in people with Leber's disease. To make sure cyanocobalamin is safe for you, tell your doctor if you have: any type of infection; iron or folic acid deficiency; kidney or liver disease; or if you are receiving any medication or treatment that affects bone marrow. It is not known whether this medicine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant. Cyanocobalamin can pass into breast milk and may harm a nursing baby. Tell your doctor if you are breast-feeding a baby. How should I take oral B-12 (cyanocobalamin)? Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended. Your dose needs may change if you become pregnant, if you breast-feed, or if you eat a vegetarian diet. Tell your doctor about any changes in your diet or medical condition. Do not swallow a lozenge or sublingual tablet whole. Allow it to dissolve in your mouth without chewing. The sublingual tablet should be placed under your tongue where it will dissolve. Do not crush, chew, or break an extended-release tablet. Swallow it whole. Take the extended-release tablet with a full glass of water. To be sure cyanocobalamin is helping your condition, your blood will need to be tested every 3 to 6 months. This will help your doctor determine the correct dose and how long to treat you with cyanocobalamin. To treat pernicious anemia, you will have to use this medication on a regular basis for the rest of your life. Not using the medication can lead to irreversible nerve damage in your spinal cord. Pernicious anemia is also treated with folic acid to help maintain red blood cells. However, folic acid will not treat Vitamin B12 deficiency and will not prevent possible damage to the spinal cord. Take all of your medications as directed. Store at room temperature away from moisture, heat, and light. What happens if I miss a dose? Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose. What happens if I overdose? Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. What should I avoid while taking oral B-12 (cyanocobalamin)? Avoid drinking large amounts of alcohol while you are being treated with cyanocobalamin. Oral B-12 (cyanocobalamin) side effects Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Call your doctor at once if you have: shortness of breath (even with mild exertion), swelling, rapid weight gain; chest pain; or unusual warmth, redness, or pain in an arm or leg. Common side effects may include: headache, dizziness, weakness; nausea, upset stomach, diarrhea; numbness or tingling; fever; joint pain; swollen tongue; or itching or rash. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. Side Effects (complete list) What other drugs will affect oral B-12 (cyanocobalamin)? Other drugs may interact with cyanocobalamin, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all your current medicines and any medicine you start or stop using. Next Side Effects Print this page Add to My Med List More about B-12 (cyanocobalamin) Side Effects During Pregnancy Dosage Information Drug Interactions Support Group En Español 0 Reviews Add your own review/rating Drug class: vitamins Consumer resources Other brands: Vitamin B12 , Nascobal , Eligen B12 , Cobal 1000 , ... +8 more Professional resources Cyanocobalamin (FDA) Related treatment guides B12 Nutritional Deficiency Pernicious Anemia Schilling Test Vitamin B12 Deficiency Where can I get more information? Your pharmacist can provide more information about oral cyanocobalamin. Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed. Disclaimer: Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist. Copyright 1996-2012 Cerner Multum, Inc. Version: 6.01. Date modified: December 03, 2017 Last reviewed: June 28, 2017 Drug Status Rx OTC Availability Rx and/or OTC C Pregnancy Category Risk cannot be ruled out N/A CSA Schedule Not a controlled drug Drug Class Vitamins Related Drugs Vitamin B12 Deficiency cyanocobalamin , Vitamin B12 , Cyanokit , hydroxocobalamin , Nascobal , More... Pernicious Anemia cyanocobalamin , Vitamin B12 , Nascobal , Vitabee 12 , More... Schilling Test cyanocobalamin , Vitamin B12 , Cyanokit , hydroxocobalamin , Nascobal , More... B12 Nutritional Deficiency cyanocobalamin , Vitamin B12 , Nascobal , Eligen B12 , More... B-12 Rating No Reviews - Be the first! No Reviews - Be the first! Not Rated - Be the first! Related Questions & Answers Vitamin B12 - Taking b-12 has started making me sleepy. Anything I should be aware of? Vitamin B12 Deficiency - Why in the deficiency of vit b 12 the size of rbc increased? I had unprotected sex on 2/28 and plan b 12 hours later today 3/4 I am very bloated and gassy I was? What are the benefits of regular B-12 injections? Took Plan B, Spotting since June 11th, pregnant? Read more questions discover
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