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Doctors' Answers to "Frequently Asked Questions" - Phenytoin
Phenytoin [posted 8/14/98]
Answer: Phenytoin is sold under the brand name Dilantin. This is a drug initially used for seizures. I have no experience with it as a medication for motion sickness, but given the dearth of alternatives, would not be opposed. Dilantin takes several days to achieve steady state levels due to its long 1/2 life. I'm not sure the dosage and the timing before the motion event that would work. However, it is usually well tolerated - not addicting. There are patients with allergic reactions and the blood level would have to be watched closely as it is a potentially toxic drug. Let me know if you find further information.
Answer: Assuming his dilantin levels are normal, I suspect it is his stroke. Stopping his drugs for a day or so may help differentiate between drug effects and his stroke. First, clear this with his doctor.