Our Health Library information does not replace the advice of a doctor. Please be advised that this information is made available to assist our patients to learn more about their health. Our providers may not see and/or treat all topics found herein.

Vitamin B12 (cyanocobalamin) Nasal Spray (CYANOCOBALAMIN - NASAL)

Instructions

Keep the medicine at room temperature. Avoid heat and direct light.

This medicine is for use in the nose. Avoid getting the medicine into the eyes or mouth. Rinse the eyes with water if the medicine is sprayed into the eyes.

Ask your doctor, nurse or pharmacist to show you how to use this medicine correctly.

Read and carefully follow package instructions for preparing, using and cleaning the pump.

Do not eat any hot foods or drink any hot beverages for 1 hour before or 1 hour after using this medicine.

Blow and wipe your nose with a clean tissue before using this product.

Do not spray the medicine directly on the middle wall of your nose (nasal septum).

Keep track of number of times sprayed. Do not use more than the total number of doses shown on the package.

It is important that you keep taking each dose of this medicine on time even if you are feeling well.

If you forget to take a dose on time, take it as soon as you remember. If it is almost time for the next dose, do not take the missed dose. Return to your normal schedule. Do not take 2 doses at one time.

Drug interactions can change how medicines work or increase risk for side effects. Tell your health care providers about all medicines taken. Include prescription and over-the-counter medicines, vitamins, and herbal medicines. Speak with your doctor or pharmacist before starting or stopping any medicine.

Speak with your doctor or pharmacist before starting any other vitamins.

Store in original bottle, tightly closed and upright.

Do not share this nasal spray with other people. Doing so may spread infections.

Keep all appointments for medical exams and tests while on this medicine.

Brand Name(s): Nascobal

Generic Name: Vitamin B12 (cyanocobalamin)

Cautions

Tell your doctor and pharmacist if you ever had an allergic reaction to a medicine.

Do not use the medication any more than instructed.

Be very careful not to spray the medicine into your eyes. Wash your hands thoroughly before touching your eyes.

Tell the doctor or pharmacist if you are pregnant, planning to be pregnant, or breastfeeding.

Side Effects

The following is a list of some common side effects from this medicine. Please speak with your doctor about what you should do if you experience these or other side effects.

  • headaches
  • nausea
  • runny nose

Call your doctor or get medical help right away if you notice any of these more serious side effects:

  • irregular heart beat
  • muscle cramps or weakness

A few people may have an allergic reaction to this medicine. Symptoms can include difficulty breathing, skin rash, itching, swelling, or severe dizziness. If you notice any of these symptoms, seek medical help quickly.

Please speak with your doctor, nurse, or pharmacist if you have any questions about this medicine.