How do you use Nascobal (nasal spray)?
Nascobal is a prescription nasal spray used to deliver vitamin B12 through the nose. Use it exactly as your clinician tells you, and follow the specific instructions on your prescription label.
What’s the usual dosing schedule?
Dosing depends on why it’s being used and your B12 level. Your prescriber sets the dose and frequency, so the most reliable guidance is your own prescription directions.
Step-by-step: how to take each dose
- Gently blow your nose if you have congestion.
- Shake the bottle (if your label/instructions say to).
- Breathe out lightly and keep your head upright.
- Insert the nasal applicator into one nostril.
- Use the spray as directed (usually one press per dose).
- Repeat for the other nostril only if your prescriber/instructions tell you to.
- Avoid sniffing hard right after spraying. Try to keep your head still for a short time after the dose.
What should you avoid after using it?
Try not to blow your nose immediately after the dose, since that can reduce how much medicine stays in the nasal passages.
What if you miss a dose?
Use the missed-dose instructions from your prescription or call your pharmacy/clinician for direction. If you’re unsure, don’t double up unless your prescriber tells you to.
Who should not use it (or should ask first)?
Check with your prescriber before using Nascobal if you have nasal problems (like frequent nosebleeds, significant nasal irritation, or recent nasal surgery) or if you’ve been told you shouldn’t use intranasal B12.
When to call your doctor
Call your clinician promptly if you have severe or persistent nasal irritation, nosebleeds, or any allergic-type symptoms after using the spray.
If you tell me what strength you have (and what your label says for dose and days per week), I can help you interpret the directions more specifically.