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[53] Phenytoin (Dilantin), phenobarbital, primidone (Mysoline): These anticonvulsants have been associated with reduced vitamin B12 absorption, and reduced serum and cerebrospinal fluid levels in some patients
PMID 26076035
There is no official guidance on optimal timing to minimize side effects, as individual responses vary considerably
Below are some of the most commonly asked questions about this unique class of prescription drugs
Annals of Clinical and Translational Neurology
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