A member asked:

I'm currently taking 300 mg of phenytoin daily for epilepsy. i'm also taking a calcium and vitamin d3 supplement. the d3 is a fairly high dosage due to the phenytoin. should i take magnesium? if so how much and with the d3 or not?

Q: i'm currently taking 300 mg of phenytoin daily for epilepsy. i'm also taking a calcium and vitamin d3 supplement. the d3 is a fairly high dosage due to the phenytoin. should i take magnesium? if so how much and with the d3 or not?

: Best to get your magnesium level tested. Ask you doctor to test it and then discuss the results with your doctor to see if you need it supplemented.

A doctor has provided 1 answer

Dr. Barbara MacFarlane answered

Best to get your magnesium level tested. Ask you doctor to test it and then discuss the results with your doctor to see if you need it supplemented.

Answered 6/13/2023

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A member asked:

I'm currently taking 300 mg of phenytoin daily for epilepsy. i'm also taking a calcium and vitamin d3 supplement. the d3 is a fairly high dosage due to the phenytoin. should i take magnesium? if so how much and with the d3 or not?

A doctor has provided 1 answer

Dr. Barbara MacFarlane answered

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