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Related topic: Phenytoin, Vitamin b complex deficiency

Review: could Phenytoin cause Vitamin b complex deficiency?

Summary: Vitamin b complex deficiency could be caused by Phenytoin, especially for people who are male, 40-49 old, also take Neurontin, and have Epilepsy.

We study 10,947 people who have side effects while taking Phenytoin from FDA and social media. Among them, 4 have Vitamin b complex deficiency. Find out below who they are, when they have Vitamin b complex deficiency and more.

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Phenytoin (latest outcomes from 11,090 users) has active ingredients of phenytoin. It is often used in epilepsy.

Vitamin b complex deficiency

Vitamin b complex deficiency (latest reports from 1,235 patients) has been reported by people with osteopenia, multiple sclerosis, osteoporosis, menopausal symptoms, high blood pressure.

On Apr, 15, 2014: 10,947 people reported to have side effects when taking Phenytoin. Among them, 4 people (0.04%) have Vitamin B Complex Deficiency. They amount to 0.32% of all the 1,231 people who have Vitamin B Complex Deficiency on eHealthMe.

Trend of Vitamin b complex deficiency in Phenytoin reports

Time on Phenytoin when people have Vitamin b complex deficiency * :


Gender of people who have Vitamin b complex deficiency when taking Phenytoin * :

Vitamin b complex deficiency0.00%100.00%

Age of people who have Vitamin b complex deficiency when taking Phenytoin * :

Vitamin b complex deficiency0.00%0.00%0.00%0.00%0.00%100.00%0.00%0.00%

Severity of Vitamin b complex deficiency when taking Phenytoin ** :


How people recovered from Vitamin b complex deficiency ** :


Top conditions involved for these people * :

  1. Epilepsy (4 people, 100.00%)
  2. Ill-defined disorder (1 people, 25.00%)

Top co-used drugs for these people * :

  1. Neurontin (4 people, 100.00%)
  2. Dilantin kapseal (3 people, 75.00%)
  3. Phenobarbital tab (3 people, 75.00%)
  4. Dilantin (1 people, 25.00%)

* Approximation only. Some reports may have incomplete information.

** Reports from social media are used.

How to use the study: print a copy of the study and bring it to your health teams to ensure drug risks and benefits are fully discussed and understood.

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On eHealthMe, Phenytoin (phenytoin) is often used for epilepsy. Find out below the conditions Phenytoin is used for, how effective it is, and any alternative drugs that you can use to treat those same conditions.

What is Phenytoin used for and how effective is it:

Other drugs that are used to treat the same conditions:

Drugs in real world that are associated with:

Could your condition cause it?

Comments from related studies:

  • From this study (1 month ago):

  • male dwarf with mental retardation and Hx of epilepsy. Increased dilantin slightly and rapidly became toxic (dilantin level =60!


  • From this study (5 months ago):

  • personality changes, agitated, moody.


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NOTE: The study is based on active ingredients and brand name. Other drugs that have the same active ingredients (e.g. generic drugs) are NOT considered.

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DISCLAIMER: All material available on is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only, and has not been supported by scientific studies or clinical trials unless otherwise stated. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

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Related study

- Phenytoin side effects


Related symptom

- Vitamin B Complex Deficiency



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