Why does a neurologist look at your tongue?
Asked by: Prof. Humberto Thiel | Last update: April 25, 2026Score: 4.3/5 (25 votes)
The tongue exam can reflect a number of underlying diagnoses such as infections, nutritional deficiencies, malignancy and even neurological dysfunction.
What are red flags in neurological examination?
Common Neurological Red Flags to Watch For
Especially if they're new, worsening, or paired with vision changes or nausea. This could be a sign of nerve dysfunction, especially in the arms, legs, or face. Difficulty walking, clumsiness, or dropping objects can point to neurological concerns.
What neurological conditions affect the tongue?
Disorders of the twelfth cranial nerve (hypoglossal nerve) cause weakness or wasting (atrophy) of the tongue on the affected side. This nerve moves the tongue. Hypoglossal nerve disorders may be caused by tumors, strokes, infections, injuries, or amyotrophic lateral sclerosis.
What are four things neurologists check during a neurological exam?
A neurological examination typically assesses movement, sensation, hearing and speech, vision, coordination, and balance.
Why does a doctor look at your tongue?
Your tongue gives clues as to how well hydrated you are. And because oral cancer can develop anywhere in the mouth, we also check your mouth and tongue for any abnormal growths.
Japan’s Oldest Doctor: Do This 10-Second Tongue Trick to Reduce Stroke Risk After 60
What health issues can you tell by your tongue?
For example, a bright red tongue might indicate an infection or conditions like anxiety or insomnia, a tongue with a bluish tint could suggest poor circulation, and a very pale tongue can be a sign of nutrient deficiency. Size. Although there is no standard size for a tongue, it should rest comfortably in your mouth.
What is a neurological exam of the tongue?
The hypoglossal nerve (cranial nerve XII) is evaluated by observing tongue motor function. The patient protrudes the tongue and moves it in all directions while the examiner assesses for atrophy, fasciculations, or weakness.
What neurological symptom is most concerning?
When to Consult a Neurologist
- Confusion or altered consciousness.
- Rapid symptom onset (may indicate conditions like a brain tumor)
- Loss of ability to perform daily activities.
- Symptoms of depression alongside memory changes.
- Memory loss disrupting daily life.
- Difficulty planning or solving previously manageable problems.
What tests does a neurologist do on a first visit?
During your first appointment, a Neurologist will likely ask you to participate in a physical exam and neurological exam. Neurological exams are tests that measure muscle strength, sensation, reflexes, and coordination.
What are neurological soft signs?
Neurological soft signs (NSS) comprise subtle deficits in sensory integration, motor coordination, and sequencing of complex motor acts, which are typically observed in the majority of schizophrenia patients, including chronic cases and neuroleptic-naïve first-episode patients.
What neurological symptoms should not be ignored?
4 Neurological Symptoms to Never Ignore
- Difficulties With Memory or Thinking.
- Numbness or Tingling.
- Partial or Complete Loss of Vision.
- Pain That Moves Around the Body.
How to tell if your tongue has nerve damage?
How Do You Know If You Have Lingual Nerve Damage? While everyone experiences it differently, here are a few signs to watch out for. You may notice a tingling or numb feeling on one side of your tongue. Some people lose their sense of taste entirely, while others describe food tasting “off” or metallic.
What are 5 signs your brain is in trouble?
10 warning signs of dementia
- Sign 1: Memory changes that affect day-to-day abilities. ...
- Sign 2: Difficulty doing familiar tasks. ...
- Sign 3: Changes in language and communication. ...
- Sign 4: Disorientation in time and place. ...
- Sign 5: Impaired judgment. ...
- Sign 6: Problems with abstract thinking. ...
- Sign 7: Misplacing things.
What are the first signs of nerve damage?
The signs of nerve damage include the following:
- Numbness or tingling in the hands and feet.
- Feeling like you're wearing a tight glove or sock.
- Muscle weakness, especially in your arms or legs.
- Regularly dropping objects that you're holding.
- Sharp pains in your hands, arms, legs, or feet.
How long does a neuro exam take?
Neurological exams typically last between 30 minutes to an hour, depending on your symptoms and the thoroughness of the examination.
What are the top 10 worst neurological conditions?
Listed in the directory below are some, for which we have provided a brief overview.
- Acute Spinal Cord Injury.
- Alzheimer's Disease.
- Amyotrophic Lateral Sclerosis (ALS)
- Ataxia.
- Bell's Palsy.
- Brain Tumors.
- Cerebral Aneurysm.
- Epilepsy and Seizures.
Is it serious to be referred to a neurologist?
A neurologist can help confirm or rule out the potential causes so you can get the proper care. “As neurologists, we may not always find the ultimate cause of your symptoms, but often we're able to eliminate the more serious conditions,” Zacharias says.
Do neurological disorders show up in blood work?
What blood tests show neurological issues? Blood tests that check Vitamin B12, thyroid hormones, and blood sugar levels can help find the causes of neurological problems. Other tests include markers for inflammation, autoimmune diseases, and toxins that may affect nerves.
How to tell if something is wrong neurologically?
What are the symptoms of neurological disorders? Common symptoms of neurological disorders include: Pain: Headache, back pain, neck pain. Muscle movement: Weakness, stiffness, tremor, spasms, paralysis, coordination challenges, falls.
What is the deadliest neurological disease?
We know that they die because no one can survive it-mortality from the disease is 100%. It is Creutzfeldt-Jakob disease (CJD), among the deadliest, and least understood, of all brain diseases. It appears randomly in about one out of one million people.
What is the number one most common neurological disorder?
1. Headache. Headaches are one of the most common neurological disorders—and there are a variety of different kinds of headaches, such as migraines, cluster headaches, and tension headaches.
What neurological disorder affects the tongue?
If you have hypoglossal nerve damage, your tongue weakens on the side that's affected. It will eventually waste away (atrophy), leading to paralysis of your tongue. Because of this, you may have trouble swallowing, chewing and/or speaking.
How long does a neurology appointment take?
What to Expect at Your Neurologist Appointment. Your first neurologist appointment may take 1–2 hours, depending on your condition. It's helpful to prepare for your first visit with a neurologist.
How do I know if something is wrong with my tongue?
Complete or partial loss of taste. Change in your tongue color (white, yellow, dark red, purple, brown or black). Change in your tongue's texture (smooth, covered in raised patches or hair-like growths). Pain, soreness or a burning sensation throughout your tongue or in certain parts.