Dilantin (phenytoin) is an anti-epileptic (anticonvulsant) medication available as an extended or immediate release capsule, chewable tablet or oral suspension. Dilantin is available by prescription only and works by inhibiting seizures in brain tissue. Epilepsy.com suggests that the exact mechanism of action of this medication is not known. Consult with a physician prior to taking this medication. All medications taken concurrently with Dilantin should be disclosed to a physician to prevent drug interactions. Take Dilantin exactly as prescribed and consult with a physician for questions regarding dosage. Do not stop taking this medication without proper counsel from a medical care provider.
Common Side Effects
MayoClinic.com reports common side effects of Dilantin including: loss of coordination, confusion, nervousness, slurred speech, difficulty breathing, speaking or swallowing and trembling. Do not hesitate to contact a physician if side effects persist. You can also report side effects to the Food and Drug Administration (FDA) at 1-800-FDA-1088.
Severe Side Effects
Seek medical attention for any of the following severe side effects noted by Drugs.com: skin rash (even minor skin rash should be reported), swollen glands or gums, uncontrolled tremor, restless eye, tongue jaw or neck movement, increased urination or dark urine, loss of coordination, jaundice, slurred speech, confusion, unusual behavior or changes in behavior, fever or headache. Severe side effects are commonly indicative of improper dosage (too high of a dose) of Dilantin.
Long-Term Side Effects
Longitudinally, high doses of Dilantin may cause additional side effects. The most common long-term side effects listed by Epilepsy.com include: acne, coarseness of facial features, overgrowth of the gums and excessive hair on body or face. Long-term use of this medication may also cause weakening of the bones. Calcium and vitamin D rich foods, as well as supplements are encouraged in patients taking Dilantin. Consult with a physician for further consideration of dietary modifications.
