Trigeminal nerve, Neurology FAQ - Page 6

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Intermittent Numbness in Right Cheekbone: Causes and When to Seek Help

For the past two to three days, I have been experiencing intermittent tingling in the right cheekbone? Hello~ Recently, I occasionally experience a tingling sensation near my right cheekbone, which feels somewhat like being punched in that area (it's not painful). This sensa...


Dr. Gao Chunde Reply:
Symptoms of the trigeminal nerve on the right side of the face often appear before a cold or during times of fatigue and stress. Generally, these discomforts improve as the overall health condition improves over a few days. However, if the symptoms persist or become more pronounc...

[Read More] Intermittent Numbness in Right Cheekbone: Causes and When to Seek Help


Understanding Facial Numbness: Causes and Concerns in Neurology

Facial numbness can indicate several potential issues, including nerve compression, neurological disorders, or vascular problems. It is important to consult a healthcare professional for a proper diagnosis and evaluation? Hello doctor, my face occasionally feels numb, but it'...


Dr. Lan Shengxing Reply:
Dear patient, there are many possible causes for your facial numbness. In your case, I might first consider hyperventilation syndrome. However, since the symptoms described are not very specific, I would recommend that you visit a neurology clinic for a thorough evaluation of you...

[Read More] Understanding Facial Numbness: Causes and Concerns in Neurology


Is This the First Case of Isolated Brainstem Nerve Involvement?

Suspected rare case? Is there a case worldwide, including Taiwan, where the pathological tissue solely invades the abducens nerve nucleus and the trigeminal nerve nucleus in the pons? I suspect this might be the first case in the world. Thank you for your response!


Dr. Liu Zhiyang Reply:
Hello, your question is too simplistic; it is difficult to provide an answer without detailed medical history. Conditions that specifically affect the nuclei of cranial nerves V and VI are rare, but not nonexistent. They are mostly caused by cerebrovascular diseases or demyelinat...

[Read More] Is This the First Case of Isolated Brainstem Nerve Involvement?


Understanding Top-of-Head Pain: Causes and Risks Explained

Headache on the top of the head? Hello, sometimes I experience headaches, specifically at the top of my head. I'm not sure what it could be. I also have mild numbness on one side of my face. Is there a risk of stroke? Additionally, regarding the facial nerve, is the mild num...


Dr. Lin Zijing Reply:
Facial numbness on one side may be due to 1. trigeminal nerve dysfunction, 2. mild stroke, 3. atypical facial pain, 4. multiple sclerosis, 5. cellulitis or viral infection (such as herpes zoster), among many possible diagnoses. The headache may or may not be related. It is recomm...

[Read More] Understanding Top-of-Head Pain: Causes and Risks Explained


Should I Consult a Neurologist for Nerve Damage After Tooth Extraction?

Should I seek medical attention for inferior alveolar nerve injury caused by tooth extraction? Hello Dr. Gao: Thank you for taking the time to answer my questions! I had my lower left wisdom tooth extracted four days ago, and I have been following the doctor's advice regardi...


Dr. Gao Chunde Reply:
The inferior alveolar nerve is a small branch of the trigeminal nerve. After wisdom tooth extraction, the chin usually recovers well, but sometimes localized swelling in the area can affect nerve function. The recovery time is not fixed; it can take a couple of months for some in...

[Read More] Should I Consult a Neurologist for Nerve Damage After Tooth Extraction?


Understanding Electromyography in Trigeminal and Facial Nerve Disorders

Electromyography (EMG) examination Hello, I have issues with the trigeminal nerve and facial nerve on the left side of my face. The doctor performed a corneal reflex electromyography (EMG) test, and the results were normal. I would like to ask: 1. Is the abnormality rate for corn...


Dr. Liu Zhiyang Reply:
In general, if the blink reflex and facial nerve examination are abnormal, further investigation into the underlying cause is necessary. However, normal examination results do not necessarily indicate that the neurological status is normal; follow-up examinations and treatment ar...

[Read More] Understanding Electromyography in Trigeminal and Facial Nerve Disorders


Unexplained Facial Skin Pain: Possible Links to Neurological Issues

The skin on the face often experiences unexplained pain? Hello, doctor. I often experience inexplicable pain on my skin, which is only superficial and about the size of my palm. It hurts when the wind blows and occurs in different locations, most frequently on my cheek, and alway...


Dr. Gao Chunde Reply:
The symptoms are leaning towards neuropathic pain, specifically in the cheek area which is associated with the trigeminal nerve. It would be advisable to further confirm whether it is trigeminal neuralgia or another form of atypical facial pain. As for neuropathic pain in other a...

[Read More] Unexplained Facial Skin Pain: Possible Links to Neurological Issues


Understanding Sensory Impairment: Brain Lesions and Their Effects

Sensory impairment Hello, doctor. May I ask: 1. Does a lesion in the left midbrain lead to sensory deficits in the right side of the face and body? 2. Does a lesion in the left pons lead to sensory deficits in the right side of the face and body? Are the above two statements corr...


Dr. Zeng Kongyan Reply:
Dear Sir/Madam, According to the sensory pathway of the fifth cranial nerve (trigeminal nerve) after it enters the brainstem, both questions posed are correct. The trigeminal nerve receives temperature, pain, and sensory information from the face and then enters the spinal trige...

[Read More] Understanding Sensory Impairment: Brain Lesions and Their Effects


Unexplained Tooth Pain: Could It Be Trigeminal Neuralgia?

Toothache with no identifiable cause? Hello Doctor: About one or two months ago, I started experiencing unexplained sharp pain in my teeth (specifically in the lower right back teeth), and sometimes I even wake up in the middle of the night due to the pain. I went to see a dentis...


Dr. Lin Zijing Reply:
The pain sensation in the teeth is a branch of the trigeminal nerve. Typical trigeminal neuralgia is characterized by sudden, severe unilateral facial pain that feels like a knife or electric shock, which then abruptly disappears, only to recur shortly thereafter. Most individual...

[Read More] Unexplained Tooth Pain: Could It Be Trigeminal Neuralgia?


Understanding Left Facial Numbness: Causes and Concerns

Left facial numbness? Hello Doctor, I would like to ask you about my left facial numbness that has lasted for over two months. I have read several Q&A articles regarding facial nerve paralysis and have tried some facial exercises, which seem to appear normal. However, when I ...


Dr. Liu Zhiyang Reply:
Dear Nick: The numbness on the left side of your face may be a sensation of "numbness" or "paralysis." Both the trigeminal nerve and the facial nerve could potentially be affected. It is advisable to follow up with a neurology clinic for further evaluation. Wi...

[Read More] Understanding Left Facial Numbness: Causes and Concerns


Tooth Extraction Pain: Why It Radiates to the Ear and Affects Eating

After tooth extraction, the pain radiates from the tooth to the area near the ear? I had a tooth extraction on Tuesday with anesthesia. The tooth was painful that day, but the pain was less the next day. However, the following afternoon, I felt some pain in that tooth again, and ...


Dr. Lin Zijing Reply:
It could be trigeminal neuralgia. The characteristics of trigeminal neuralgia are: 1. It is an intense pain rather than a dull ache. 2. The trigger points are mostly located in the central part of the face. 3. The pain occurs within the distribution of the trigeminal nerve; if it...

[Read More] Tooth Extraction Pain: Why It Radiates to the Ear and Affects Eating


Understanding Trigeminal Neuralgia: Treatment Options and Concerns

The trigeminal nerve? After being diagnosed with trigeminal neuralgia by a dentist, I experienced pain from April 5 to April 10 this year. The doctor advised against taking medication due to concerns about developing depression from the pain, which was unbearable. I started takin...


Dr. Lin Zijing Reply:
If a diagnosis of trigeminal neuralgia is confirmed, treatment can be divided into pharmacological therapy and surgical therapy. Pharmacological therapy: Generally, medication is administered for one to two months before reassessing the situation. This approach serves two purpo...

[Read More] Understanding Trigeminal Neuralgia: Treatment Options and Concerns


Understanding the Sensory Functions of the Facial Nerve (Cranial Nerve VII)

Feeling Hello, I have a question: Cranial Nerve VII, the facial nerve, is primarily a motor nerve, but it also has sensory components. Are the sensory components located deeper in the nose or deeper in the cheek? Regarding the sensory part of Cranial Nerve VII, where on the face ...


Dr. Ye Boshou Reply:
Hello: The sensory distribution of the facial nerve includes the anterior two-thirds of the tongue (taste), while facial sensation is primarily governed by the trigeminal nerve.

[Read More] Understanding the Sensory Functions of the Facial Nerve (Cranial Nerve VII)


Understanding Trigeminal Nerve Damage and Its Impact on Facial Sensation

Face Hello, doctor. The question is: Damage to the spinal trigeminal nucleus can lead to the loss of a "cylindrical onion-like" sensation in the face. Can you explain what this means? Is there an image? Thank you!


Dr. Gao Chunde Reply:
The trigeminal nerve has three nuclei, which are responsible for pain and temperature sensations. This distribution is similar to the dermatomes in the spinal cord, but differs from the distribution of touch and vibration sensations in the face. The branches of the trigeminal ner...

[Read More] Understanding Trigeminal Nerve Damage and Its Impact on Facial Sensation


Understanding Neck Stiffness: The Role of Trigeminal Nerve Reflexes in Meningitis

Nuchal rigidity Hello: I have consulted with doctors but none could provide a definitive answer to the following question. I hope to resolve this issue through this platform! # Question: There is a medical term called the trigeminal-cervical reflex. Meningitis: meningeal signs,...


Dr. Zeng Kongyan Reply:
Hello KING: Based on your correspondence and after reviewing the data, I cannot confirm the existence of a trigeminal-cervical reflex. Generally speaking, meningitis is associated with neck stiffness, which is a result of irritation affecting the entire meninges (from the head to...

[Read More] Understanding Neck Stiffness: The Role of Trigeminal Nerve Reflexes in Meningitis


Understanding Meningitis: The Role of Trigeminal Nerve and Neck Stiffness

Meningitis: meningeal irritation signs, nuchal rigidity? Hello: I have consulted with doctors but none could provide a definitive answer to the following question. I hope to resolve this issue through this platform! # Question: There is a medical term called the trigeminal-cerv...


Dr. Huang Yingzhe Reply:
Dear Mr. Wang, Greetings from Dr. Huang Ying-Che, Director of the Neurology Department at Tainan Hospital, Ministry of Health and Welfare. The trigemino-cervical reflex is a brainstem reflex, which refers to the changes in electrical potential latency recorded from the sternocle...

[Read More] Understanding Meningitis: The Role of Trigeminal Nerve and Neck Stiffness


Understanding Meningitis: The Role of Trigeminal Nerve Reflex and Neck Stiffness

Meningitis: Meningeal signs Hello: I have consulted with doctors regarding my questions, but none could provide a definitive answer. I hope to resolve this issue through this platform! # Question: There is a medical term called the trigeminal-cervical reflex. Does this mean tha...


Dr. Zhuang Yumin Reply:
Dear Xiao Wang, In addition to providing sensory innervation to the facial region, the trigeminal nerve also contributes to the sensation of the meninges and the regulation of the elasticity of the meningeal blood vessels. The trigeminal nerve also communicates with the cervical...

[Read More] Understanding Meningitis: The Role of Trigeminal Nerve Reflex and Neck Stiffness


Can Tooth Extraction Damage Nerves? Understanding Risks and Symptoms

Is it possible to damage nerves during tooth extraction? First, I would like to ask if it is possible for tooth extraction to damage the cranial nerves. I had my lower left wisdom tooth extracted in mid-February (after the Lunar New Year), and later, when the wound accidentally c...


Dr. Lin Zijing Reply:
The nerve responsible for dental sensation is the trigeminal nerve. Tooth extraction can make the trigeminal nerve more susceptible to external environmental influences, leading to pain. Additionally, some soft tissues in the face and throat are interconnected; if there is locali...

[Read More] Can Tooth Extraction Damage Nerves? Understanding Risks and Symptoms


Understanding Facial Numbness and Headaches: When to See a Neurologist

Headache and facial numbness? Hello, Doctor! I would like to ask about some symptoms I've been experiencing. For the past year, I've had frequent numbness on the left side of my face. Previously, I also experienced headaches that felt like pressure and dizziness. I took...


Dr. Lin Zijing Reply:
Numbness on one side of the face may be caused by issues or dysfunction of the trigeminal nerve, which is responsible for facial sensation. Sometimes, it can be a precursor to facial nerve paralysis, peripheral circulation disorders, or may have no identifiable cause. In a small ...

[Read More] Understanding Facial Numbness and Headaches: When to See a Neurologist


Understanding Lip and Ear Numbness: Neurological Insights and Concerns

Numbness in the upper lip and ear? Hello, Doctor Gao: Recently, I have been experiencing a tingling sensation and dryness in my upper lip for over a week (since August 8). However, today (August 17), I noticed that the tingling has extended to my right cheek and ear. Is this seri...


Dr. Gao Chunde Reply:
Based on your symptoms and medical history, a trigeminal nerve maxillary branch lesion could explain your condition. If the electromyography (EMG) also shows a single nerve lesion, caution should be taken regarding the possibility of an autoimmune disease causing multifocal monon...

[Read More] Understanding Lip and Ear Numbness: Neurological Insights and Concerns


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