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Phenytoin sodium (also called Dilantin®) is used to prevent or treat seizures. It is also used to treat migraine headaches and pain in the nerves of the face and other areas of the body. It is available in these forms taken by mouth:
The injection form of phenytoin is a clear liquid given by vein (IV) or by muscle (IM). It is called Fosphenytoin (also called Cerebyx®).
Symptoms of an allergic reaction include: rash, hives, itching, chills, fever, headache, muscle ache, shortness of breath, coughing, tightness in the throat, swelling of the face or neck.
Not all patients who take phenytoin will experience these side effects. Common side effects are bolded, but there may be others. Please report all suspected side effects to your doctor or pharmacist.
Find more information on side effects.
These are the most common side effects, but there may be others. Please report all side effects to the doctor or nurse.
Be sure to discuss all questions and instructions with your doctor or pharmacist.