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Doctor insights on: Absence Of Reflexes

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Dr. Katharine Cox
3 doctors shared insights

Absence Of Reflexes (Overview)

Absence of reflexes is a symptom in which a person does not respond properly when tested for the usual neurological reflexes, such as the "knee jerk" reflex. A non-response to the "knee jerk" reflex would be his leg not jerking forward when the doctor hits him below the knee-cap with a rubber reflex hammer.


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What does it mean when they say absence of reflexes?

What does it mean when they say absence of reflexes?

This means: Each nerve in the legs and arm supply certain muscles, when the reflex of that muscle is absent this means the nerve is injured. ...Read more

Dr. Katharine Cox
3 doctors shared insights

Absence Of Reflexes (Overview)

Absence of reflexes is a symptom in which a person does not respond properly when tested for the usual neurological reflexes, such as the "knee jerk" reflex. A non-response to the "knee jerk" reflex would be his leg not jerking forward when the doctor hits him below the knee-cap with a rubber reflex hammer.


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Do nerve lesions lead to absence of reflexes. Why?

Do nerve lesions lead to absence of reflexes. Why?

Yes: Each nerve have two component, sensory component and motor component, if the motor component of the nerve effected that will lead to decrease of the reflex or absence (no stimulation to the fiber so no contraction). ...Read more

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What does it mean when they say absence of reflexes?

This means: Each nerve in the legs and arm supply certain muscles, when the reflex of that muscle is absent this means the nerve is injured. ...Read more

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Went in for back pain.dr says no reflexes in my left leg. He says nothing to be concerned about only one leg. Should I be concerned? What causes that?

Went in for back pain.dr says no reflexes in my left leg. He says nothing to be concerned about only one leg. Should I be concerned? What causes that?

Tricky: Sometimes knee-jerk may not elicit response. If you truly has no reflex in the left leg that will require further evaluation ...Read more

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No reflexes in right leg after major seizures, why?

Post ictal: The brain will at times shut off a section of the body following a seizure. This is referred to as todd's paralysis. The region of the body that shuts down may have no reflexes and remain limp and flaccid for several hours. There is gradual recovery back to baseline. This would indicate that the region of the brain for that part of the body was primary in the seizure event. ...Read more

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No reflexes anywhere but diagnosis MS 2001. Now severe neuropathy plus sjogrens etc. Docs think cidp plus ms. Important to differentiate the 2? How diagnosis cidp.

No reflexes anywhere but diagnosis MS 2001. Now severe neuropathy plus sjogrens etc. Docs think cidp plus ms. Important to differentiate the 2? How diagnosis cidp.

Sjogrens: Itself can cause the neuropathy, which is peripheral, ms mostly central in brain. Dry eyes and mouth with former, no central lesions for cidp classical like ms. ...Read more

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I have no reflexes in my arms, hands, wrists, feet, ankles or knees. Is this dangerous?

Deep tendon reflexes: Sometimes patients have reflexes that are difficult to elicit.

Globally depressed or absent reflexes are frequently associated with Guillain-Barré syndrome. ...Read more

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I was to the doctor today for my monthly checkup due to low thyroid and sleep apnea well I've had back problems in the past. No reflexes why?

I was to the doctor today for my monthly checkup due to low thyroid and sleep apnea well I've had back problems in the past. No reflexes why?

HYPOREFLEXIA: HYPOREFLEXIA IS SYMETRIC CAN BE SEEN WITH HYPOTHYROIDISM. CHECK TFTS!! Start a gluten free diet WEIGHT LOSS IS CRITICAL. Wholeapproach.com gutblisscom. If CPAP or BIPAP is poorly tolerated seek ENT CONSULT for UPP/ vs Hyoid suspension. Limit use of sedatives/hypnotics like ambien/lunesta/rozerem. D/W your doctor all options if RLS is present neurontin/Topamax may help. Provigil&Nuvigil 4 FATIGUE! ...Read more

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Dx sjogrens 11/2/13. Diangosis MS 3/05/2001. Ms? Thens? Tap showed +. 1 doc thought nom labs -. Sjogrens labs — lip biopsy was + 24 out of 4. I am in wheelchair. No reflexes in lower limbs. Is nom possible

Dx sjogrens 11/2/13.  Diangosis MS 3/05/2001. Ms? Thens? Tap showed +. 1 doc thought nom labs -. Sjogrens labs — lip biopsy was + 24 out of 4. I am in wheelchair. No reflexes in lower limbs. Is nom possible

Do you mean NMO?: This is complex. Gather you do have sjogren's, and seems that you must have some spinal cord issues, but do you really have multiple sclerosis or neuromyelitis optica? An anti-aquaporin 4 test can help, and would just to be safe, recheck ss-a and ss-b, but also get b-12, methylmelonic acid, homocysteine, updated spinal cord mri. Suggest you get evaluated at mayo clinic. ...Read more

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Can missing several stairs going down the stairs and landing with all of your weight on one foot multiple times cause reflex sympathetic dystrophy?

Can missing several stairs going down the stairs and landing with all of your weight on one foot multiple times cause reflex sympathetic dystrophy?

Absolutely: Could have caused it the first time. Hard to know exactly why crps occurs after some injuries and not all of them or even most. Please get a full eval, by a PMR or orthopoedist to make certain your diagnosis is correct and not a missed fracture or nerve entrapment. And, we are assuming the pain is in the injures limb ...Read more

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Reflex oeso phagytis?

Reflex oeso phagytis?

Reflux esopahgitis: Reflux esophagitis (re) is a common condition due to the sphincter at the base of the esophagus (e) not able to keep gastric contents from refluxing up the e. Usually it present as heartburn after meals or made worse by lying down in bed. Symtoms of e also are a cough which is dry when in bed. For a diagnosis, see a GI doctor and have an endoscopy. If ire is found, use protein pump inhibitor. ...Read more

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What makes brisk reflexes?

What makes brisk reflexes?

Good nerves: Some people have naturally brisk reflexes. If brisk reflexes are present at an early age and equal on the two sides, usually nothing wrong. Pathologically brisk reflexes can occur:
a. If nervous system is overstimulated (hyperthyroid, crack, fright etc) or if the reflex centers become disinhibited by brain or spinal cord disease,. ...Read more

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What are "foveal reflexes"?

What are "foveal reflexes"?

Retinal bright spot: The fovea is the center of the back of the eye, the point at which the most detailed vision is registered. When your ophthalmologist looks into the back of your eye with his ophthalmoscope, he will see in a normal eye the foveal reflex which is a bright spot of light reflected from that critical central area. ...Read more

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What can affect reflex time?

What can affect reflex time?

Relex time: Low thyroid will slow it down
Being nervous will speed it up. ...Read more

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How can this reflex be controlled?

How can this reflex be controlled?

Which type?: Are talking about acid reflux? It can be treated with lifestyle changes and medications. ...Read more

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What could cause failure of the reflex test?

What could cause failure of the reflex test?

Reflex failure: Tendon reflex can be abnormal with spinal injury or compression of a spinal nerve as with herniated discs. Other things such a magnesium abnormalities can also cause loss of reflex function as magnesium is utilized in the body for nerve conduction along with potassium. ...Read more

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How does the time of day affect your reflexes?

How does the time of day affect your reflexes?

Little effect: Reflexes vary based on energy level, fatigue, nutrition, sleep, chemical balance, diet, medication ingestion, recreational drug usage, etc., but in general, in the healthy individual, there is little variation otherwise from hour to hour. ...Read more

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How can I get faster and develop better reflexes?

How can I get faster and develop better reflexes?

Weight lifting: Believe it or not, some of the most coordinated and fastest folks are those who are stronger and more flexible. Current consensus is that light weights with higher number of reps, with 3 total sets of each category seems to offer the best outcome. ...Read more

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What to do if I have bad gag reflexes. Can I fix that?

What to do if I have bad gag reflexes. Can I fix that?

Gag reflexes: If you have a strong gag reflex is unlikely that you can change that. You just need to be aware of it and if getting any treatment, like dentistry you need to make the doctor aware. ...Read more

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What food can I add to my diet to give me better. Reflexes?

What food can I add to my diet to give me better. Reflexes?

No magic here: "Reflexes" are partly born (some folks have no deep tendon reflexes), and in sports partly your natural talent (people's aptitudes vary), largely your training and focus, and to a small extent your overall level of fitness. No magic food or pill confers health (despite all the internet baloney), but an overall healthy diet will leave you lean & well-muscled. ...Read more

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What is the light reflex method, in regard to pupilometers?

What is the light reflex method, in regard to pupilometers?

Light reflex: This refers to when a light is shone in the eye, the pupil will constrict (get smaller). It is testing cranial nerve III as well as the constrictor muscle of the eye. ...Read more

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Please explain if it is possible to reduce or improve your reflexes?

Too vague: Please repost your question and specify what "reflexes" you are referring to. The term doesn't mean the same thing to doctors as it does to the average layperson. ...Read more