Post-Extraction Headaches: Causes and Concerns - Dentistry

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Migraine after tooth extraction?


The upper right second molar, which I had root canal treatment on 20 years ago in Taiwan due to decay, had one root removed, leaving it with only two roots and a metal crown.
A week ago, I experienced some dull pain, but in Belgium, appointments are by reservation, so I saw the dentist only after four days of pain.
The doctor said that due to the long-term uneven pressure on the two-rooted molar, one of the roots had decayed and could only be extracted.
Six hours after the extraction, I was still in pain, and the pain relief was inadequate.
I suspected an infection, so the doctor prescribed amoxicillin 500 mg four times a day for four days, along with Brufen for pain relief.
During the antibiotic treatment, I still experienced occasional dull pain, but it improved significantly.
On the fourth day after the extraction, I developed a migraine and neck pain on the opposite side, along with pain at the extraction site.
I was concerned about the possibility of an infection spreading or antibiotic resistance.
Therefore, today the doctor checked the wound immediately and informed me that it looked good, with no signs of infection, and that my migraine on the other side was unrelated to the extraction.
Currently, I still have some dull pain at the extraction site, and the doctor said this varies from person to person and is a normal phenomenon.
I have already researched dry socket syndrome, but my migraine is not on the same side as the extraction...
so I would like to know the opinion of a Taiwanese doctor.
I usually do not have migraine issues, but I have been experiencing migraines for the past two days, along with occasional mild localized tingling in my facial skin, which is quite bothersome...
Is this all normal?

Vivien, 40~49 year old female. Ask Date: 2021/04/03

Dr. Lin Jiayong reply Dentistry


Hello: Based on what you described, it is possible that your migraine was triggered by anxiety before and during the tooth extraction procedure.
It is recommended that you consult your physician for muscle relaxants (if you are already taking Alzheimer's medication, these should not be combined).
If the pain persists for more than a week, it is advisable to see a neurologist to identify any other potential causes of pain.
This is a response from Dr.
Lin Chia-Yung, Department of Dentistry, Taichung Hospital, Ministry of Health and Welfare.

Reply Date: 2021/04/03

More Info


Understanding post-extraction headaches can be quite complex, especially when considering the various factors that may contribute to the discomfort following dental procedures. In your case, the extraction of a tooth that had been compromised for many years due to prior dental work and decay can lead to several physiological responses that may manifest as headaches or other forms of discomfort.

Firstly, it’s important to recognize that dental extractions can lead to inflammation and irritation in the surrounding tissues. When a tooth is removed, the body initiates a healing process that involves increased blood flow to the area, which can sometimes lead to localized swelling and discomfort. This inflammation can irritate nearby nerves, potentially leading to headaches. The pain you are experiencing on the opposite side of your head may not be directly related to the extraction site but could be a result of referred pain or tension headaches caused by the stress of the dental procedure.

Additionally, the use of pain medications, such as ibuprofen (Brufen), can sometimes lead to gastrointestinal discomfort or other side effects that may contribute to a feeling of malaise or headache. If you are experiencing persistent headaches despite taking prescribed medications, it is essential to communicate this with your healthcare provider, as they may need to adjust your treatment plan.

The concern about infection is valid, especially following a tooth extraction. While your dentist has reassured you that the extraction site appears to be healing well and there are no signs of infection, it is crucial to monitor for any symptoms that may indicate a complication, such as increased swelling, fever, or a change in the nature of the pain. The antibiotic amoxicillin you were prescribed is effective against many common oral bacteria, but if you feel that your symptoms are worsening or not improving, it is important to follow up with your dentist or a healthcare professional.

Regarding the headaches you are experiencing, it is also worth considering other factors that may contribute to your discomfort. Stress and anxiety related to dental procedures can lead to muscle tension in the neck and shoulders, which can, in turn, trigger tension-type headaches. If you are clenching your jaw or grinding your teeth (a condition known as bruxism), this could exacerbate the pain you are feeling in your head and neck.

Moreover, the mention of facial skin sensations, such as mild tingling or a prickling feeling, could be related to nerve irritation or tension in the muscles of the face and neck. This is not uncommon after dental work, especially if there has been significant manipulation of the jaw or surrounding tissues.

In summary, while it is not unusual to experience some discomfort and headaches following a tooth extraction, especially in your case where there was a history of dental issues, it is essential to keep an open line of communication with your healthcare provider. If your headaches persist or worsen, or if you develop any new symptoms, it would be prudent to seek further evaluation. Your dentist may consider additional imaging or assessments to rule out any complications and ensure that your recovery is progressing as expected. Remember, each individual's response to dental procedures can vary significantly, and what is normal for one person may not be the same for another.

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