Generic Name: Cyanocobalamin (B12) Nasal Spray (SYE an oh koe BAL a min)
Brand Name: Nascobal
Medically reviewed on May 2, 2018
Uses of Cyanocobalamin Nasal Spray:
- It is used to treat anemia.
- It is used to treat or prevent low vitamin B12.
- It may be given to you for other reasons. Talk with the doctor.
What do I need to tell my doctor BEFORE I take Cyanocobalamin Nasal Spray?
- If you have an allergy to cyanocobalamin or any other part of cyanocobalamin (B12) nasal spray.
- If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- If you have any of these health problems: Nasal allergies, stuffy nose, or signs of a common cold.
This is not a list of all drugs or health problems that interact with cyanocobalamin (B12) nasal spray.
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take cyanocobalamin (B12) nasal spray with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.
What are some things I need to know or do while I take Cyanocobalamin Nasal Spray?
- Tell all of your health care providers that you take cyanocobalamin (B12) nasal spray. This includes your doctors, nurses, pharmacists, and dentists.
- Have blood work checked as you have been told by the doctor. Talk with the doctor.
- Talk with your doctor before you drink alcohol.
- Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using cyanocobalamin (B12) nasal spray while you are pregnant.
- Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.
How is this medicine (Cyanocobalamin Nasal Spray) best taken?
Use cyanocobalamin (B12) nasal spray as ordered by your doctor. Read all information given to you. Follow all instructions closely.
- To gain the most benefit, do not miss doses.
- Keep taking cyanocobalamin (B12) nasal spray as you have been told by your doctor or other health care provider, even if you feel well.
- Do not take cyanocobalamin (B12) nasal spray by mouth. Use in your nose only. Keep out of your mouth and eyes (may burn).
- Blow your nose before use.
- Check your spray use with your doctor at each visit. Read and follow the facts on how to use the spray. Make sure you use the spray the right way.
- Use 1 hour before or after eating or drinking hot foods or liquids.
- Read the package insert for more details.
What do I do if I miss a dose?
- Take a missed dose as soon as you think about it.
- If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
- Do not take 2 doses at the same time or extra doses.
See also: Dosage Information (in more detail)
What are some side effects that I need to call my doctor about right away?
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Swelling, warmth, numbness, change of color, or pain in a leg or arm.
- Very loose stools (diarrhea).
- Feeling very tired or weak.
- Chest pain.
- Shortness of breath, a big weight gain, or swelling in the arms or legs.
- Change in balance.
- A burning, numbness, or tingling feeling that is not normal.
- Any unexplained bruising or bleeding.
What are some other side effects of Cyanocobalamin Nasal Spray?
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.
See also: Side effects (in more detail)
If OVERDOSE is suspected:
If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
How do I store and/or throw out Cyanocobalamin Nasal Spray?
- Store at room temperature. Do not freeze.
- Protect from light.
- Store in a dry place. Do not store in a bathroom.
- Store upright with the cap on.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
Consumer information use
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else's drugs.
- Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
- Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
- Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about cyanocobalamin (B12) nasal spray, please talk with your doctor, nurse, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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