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June 5, 2025You get a root canal to get rid of that bad tooth and feel better. But sometimes, patients experience something unexpected after the procedure: head pain. If you’ve had a root canal and noticed head pain afterward, you’re probably wondering if this is normal. Don’t worry, you’re not the only one! Let’s dive into the topic of head pain after root canal.
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ToggleCan Root Canals Cause Headache?
Yes, root canals can cause headaches, but it doesn’t happen to everyone. It’s a bit rare, though. Only about 5-10% of people experience head pain after root canal Phoenix, AZ. If you do get a headache, don’t panic. It could be due to inflammation, pressure, or even anxiety. Usually, these headaches go away on their own in a few days or weeks.
Causes of Head Pain after Root Canal
Sometimes, the head pain you’re feeling after a root canal has an explanation. Here are a few reasons it could be happening:
| Cause | Explanation |
| Post-Procedure Inflammation | Extra blood flow to the treated area can cause pain. |
| Tooth Infection | Incomplete infection can lead to lingering pain and headaches. |
| Dental Anxiety | Stress or anxiety can trigger tension headaches. |
| Sinus Pressure | Nearby sinuses may cause pressure and headaches. |
| Nerve Irritation | Irritated nerves around the treated area can cause discomfort. |
| Bruxism (Teeth Grinding) | Teeth grinding after the procedure can lead to headaches. |










How to Manage Head Pain after Root Canal?
If you’re dealing with head pain after root canals Phoenix, don’t worry! Here are some simple ways to help ease the pain:
- Take pain relievers, like ibuprofen or acetaminophen.
- Apply a cold compress to the area where you’re feeling pain. Hold it on for 10-15 minutes at a time.
- Rest in a quiet, dark room. This can help calm down your headache.
- Avoid chewing on the side of your mouth that was treated.
- Relax your body with breathing exercises or meditation.
- Sleep with your head propped up on a pillow to relieve pressure.
- Follow the aftercare instructions you got to help reduce the risk of infection.
Preventing Head Pain after Root Canal
No one wants to deal with the pain after a root canal treatment Phoenix, regardless of the type of pain. So, here are a few things you can do to prevent it:
- If you’re a teeth grinder at night, consider using a mouthguard.
- For the first few days after the procedure, avoid eating hard foods.
- Keep up with good oral hygiene. Brush and floss regularly.
- Go to all your follow-up dental appointments to make sure everything is healing well.
- Reduce stress by doing things you enjoy or practicing relaxation exercises.
- If your dentist suggests it, ask for medication that can reduce inflammation.
- Stay hydrated since drinking water helps your body heal faster!

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How Long Does Head Pain After Root Canal Remain?
| Type of Root Canal | Pain Duration |
| Simple Root Canal | 1-3 days |
| Complex Root Canal | 3-7 days |
| Failed Root Canal | Weeks to months |
| Post-Surgical Complications | Up to 1-2 weeks |
How Long Does It Take for Your Nerve to Settle after a Root Canal?
After a root canal, your nerves might take a little time to settle down. Here’s how long it can take:
- Mild cases: 1-2 weeks
- Moderate cases: 2-4 weeks
- Severe cases: 4-6 weeks
Headaches Months after Root Canal
If you’re still getting headaches months after a root canal, it could have several reasons. Sometimes, the tooth didn’t fully heal, or there might be an infection that wasn’t caught early on. Other times, nerves around the treated area could still be irritated, or you might even be grinding your teeth while you sleep without realizing it. It’s also possible that the pain is from something unrelated to the root canal but happens to show up around the same time.
If your headaches are lasting for months, it’s definitely time to check in with your dentist. They can take a look and make sure everything is healed properly. If there’s still an issue, they might recommend a follow-up procedure or give you tips to help relieve the pain, like using a mouthguard at night or prescribing anti-inflammatory medication. The good news is, with the right treatment, you can get back to feeling like yourself again!
Seek Help for Head Pain after Root Canal in Phoenix, Arizona
If your head pain isn’t going away after a few days, or if it’s getting worse, it’s time to talk to your dentist. This might be a sign that there’s still an infection, or something else is going on that needs attention.
If you’re in Phoenix, Arizona, and you’re having trouble with head pain after a root canal, we have the best dentist in Phoenix on our team at Central Valley Dentistry to help you get relief. Call us today or schedule a consultation with one of our expert dentists.
The Bottom Line
Head pain after root canal isn’t something everyone experiences, but if it happens to you, don’t worry. Most of the time, it’s temporary and can be managed at home. If the pain doesn’t go away or gets worse, it’s important to check in with your dentist. Taking care of your teeth and following aftercare instructions can help prevent problems in the future.
FAQs
Can a root canal make your head hurt?
Yes, it’s possible, but it’s usually temporary and goes away within a few days.
Why do I get a sharp pain in my head after dental work?
Sharp pain might be due to inflammation, stress, or irritation from the nerves in the treated area.
Can needing a root canal cause headaches?
Yes, needing a root canal might cause headaches, especially if there’s an infection or inflammation in the area.



