Q. Is it possible to self-induce a muscle twitch in BFS?

Answered by
Dr. Anshul Varshney
and medically reviewed by iCliniq medical review team.
Published on Dec 11, 2015 and last reviewed on: Jul 19, 2019

Hi doctor,

I had a minor hamstring injury last month and currently, I am receiving physical therapy. In addition, I visited a neurologist for peripheral neuropathy in my foot. Last year my neurologist diagnosed me with benign fasciculation syndrome (BFS). After the injury, I am getting twitches in the injured leg most of the time that is in my right thigh for past three weeks. But, there is no clinical weakness. I can also induce a twitch by tapping the injured inner knee area. My leg injury appears to responding slowly to the physical therapy. My question is, is it possible to self-induce a twitch in BFS? I heard that also in ALS condition one can self-induce twitch. This is bothering me now. Please explain.

Dr. Anshul Varshney

Critical Care Physician Diabetology General Medicine Internal Medicine Medical Gastroenterology Nephrology Pulmonology (Asthma Doctors) Rheumatology
#

Hi,

Welcome to icliniq.com.

I have read your query and I understand your concern.

  • A person with BFS or ALS (amyotrophic lateral sclerosis) cannot induce twitching.
  • These are automatically produced and cannot be in fact controlled by oneself.
  • I need few more details in view to help you better. I have a good number of patients with BFS with well controlled twitching on my treatment.
  •  Provide me the following details: Since when are you having this? Is there any tongue twitching?
  • What is the status of your calcium, magnesium and vitamin D? Have you checked these before?
  • Do you have a history of thyroid disorder? Any associated problems like headache and visual issues?

Revert back with the answers for the above questions to a neurologist online -->  https://www.icliniq.com/ask-a-doctor-online/neurologist

Hi doctor,

I am suffering with BFS over a year now. I used to get muscle twitches daily. But this week I noticed that if I tap in one small spot in the injured hamstring area occasionally I am getting a response twitch. My neurologist today advised me to take vitamin D supplement and my magnesium is normal. I do not have any thyroid problem as per recent blood test. There is no tongue twitching. I do not have any associated problems with this.

Dr. Anshul Varshney

Critical Care Physician Diabetology General Medicine Internal Medicine Medical Gastroenterology Nephrology Pulmonology (Asthma Doctors) Rheumatology
#

Hi,

Welcome back to icliniq.com.

In your case, I would advise you the following, which would help you greatly.

  • Along with that take Clonazepam in night, which significantly reduce BFS.
  • Do regular exercise, have a good sound sleep, do less work without stress and reduce your dietary caffeine such as coffee, chocolate and soft drink as much as possible.
  • Meditation has proved to be a very good treatment for BFS.
  • Vitamin B12 supplementation/Methylcobalamine found to have good effect in BFS.
  • Local application of Capsaicin ointment also helps in some people.
  • Now, as far as differentiating between ALS and BFS is concerned, that can be done easily by eliciting your reflexes and performing your EMG (electromyography). So, your neurologist must have ruled out ALS by now.

The Probable causes:

Idiopathic.

Investigations to be done:

EMG.

Differential diagnosis:

1. ALS.
2. Anxiety.

Probable diagnosis:

BFS.

Preventive measures:

1. Reduce stress.
2. Avoid alcohol and caffeine.

Regarding follow up:

For further information consult a neurologist online.---> https://www.icliniq.com/ask-a-doctor-online/neurologist

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