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Phenytoin

Side Effects

As with any medicine, side effects are possible with phenytoin. However, not everyone who takes the drug will experience side effects. In fact, most people tolerate it quite well. If side effects do occur, in most cases they are minor and either require no treatment or can easily be treated by you or your healthcare provider. Serious side effects are less common.
 
Common side effects of phenytoin include, but are not limited to:
 
  • Unusual eye movements
  • Muscle coordination problems
  • Slurred speech
  • Confusion.
     
(Click Side Effects of Phenytoin to learn more, including potentially serious side effects that you should report immediately to your healthcare provider.)
 

Drug Interactions

Phenytoin can potentially interact with many other medicines (see Drug Interactions With Phenytoin).
 

What Should I Tell My Healthcare Provider?

You should talk with your healthcare provider prior to taking this medication if you have:
 
  • Porphyria
  • Swollen lymph nodes
  • Diabetes
  • Liver disease, such as liver failure or cirrhosis
  • Any allergies, including allergies to food, dyes, or preservatives.
     
Also let your healthcare provider know if you:
 
You should also make sure to tell your healthcare provider about all other medicines you are currently taking, including prescription and non-prescription medicines, vitamins, and herbal supplements.
 
(Click Precautions and Warnings With Phenytoin to learn more, including information on who should not take the drug.)
 
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Phenytoin Sodium

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