Nascobal: What You Should Know About This Vitamin B12 Supplement Nascobal is a prescription nasal spray containing vitamin B12 that is used to treat a deficiency of this essential vitamin. Vitamin B12 is important for neurological function, red blood cell formation, and DNA synthesis. Most people get enough vitamin B12 in their diets, but some individuals may not be able to absorb it properly or may not eat enough foods that contain vitamin B12. Nascobal can help to address these issues safely and effectively. Uses Nascobal is primarily used for the treatment of vitamin B12 deficiency, which can cause anemia, fatigue, memory loss, confusion, and other symptoms. This medication is not intended to treat severe or long-standing vitamin B12 deficiency, which may require other forms of treatment. Nascobal is typically used for short-term treatment of mild to moderate vitamin B12 deficiency, and is best used under the guidance of a healthcare provider. Dosage Nascobal nasal spray is available in a 500-microgram (mcg) dose. The recommended dosage is one spray into one nostril once a week, alternating nostrils with each dose. It is important to note that Nascobal is not intended for use in children under 18 years of age. Demographic Nascobal is indicated for adults with vitamin B12 deficiency, including those who are elderly, those who have undergone gastrointestinal surgery, or those with pernicious anemia. It is not indicated for use in children or pregnant or breastfeeding women. Side Effects The most common side effect of Nascobal is nasal irritation, including burning, itching, and congestion. Other side effects may include headache, nausea, vomiting, and dizziness. Serious side effects are rare, but may include allergic reactions, difficulty breathing, chest pain, and swelling of the face or throat. If you experience any of these symptoms, you should seek medical attention immediately. Interactions Nascobal may interact with other medications you are taking. It is important to tell your healthcare provider about all medications you are taking, including prescription drugs, over-the-counter medications, and dietary supplements. Some medications that may interact with Nascobal include antibiotics, anticancer drugs, and medications that reduce stomach acid. Generic Options There are no generic options for Nascobal, as it is a brand-name prescription medication. However, there are other forms of vitamin B12 supplements available, including oral tablets, injections, and sublingual tablets. Your healthcare provider can help you determine which form of vitamin B12 supplementation is best for you. Conclusion Nascobal is a prescription nasal spray containing vitamin B12 that can effectively treat mild to moderate vitamin B12 deficiency in adults. It is important to use this medication under the guidance of a healthcare provider and to report any side effects or interactions to your provider. If you have questions about vitamin B12 deficiency or Nascobal, talk to your healthcare provider.