The new Dilantin 100 mg capsules aren't the same as the original Dilantin Kapseals.

  Pfizer stopped making the original Dilantin Kapseals 100 mg when they updated their manufacturing process. The ingredients inside the new capsules are exactly the same...just the capsule shell has changed.

  This explains the new look...but why the new name and NDC?

  The FDA considers a drug to be a new product whenever there is a manufacturing change. Possible differences in mixer efficiency, drying materials, or even humidity uptake during production can affect quality or effectiveness of a product.

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