Phenytoin Chewable Tablet 50Mg Drug Medication Dosage Information
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Phenytoin: Chewable tablet (50mg)

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Phenytoin 50mg Chew Tablet
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Phenytoin Infatabs 50mg ChwTab
Greenstone Ltd
Pill Identification: P-D 007 

What is this Medicine?

PHENYTOIN (FEN i toyn) is used to control seizures in certain types of epilepsy. It is also used to prevent seizures during or after surgery.

Similar Brand Name Drugs : Dilantin: Chewable tablet (50mg)
CVS Pharmacy Patient Statistics for Phenytoin: Chewable tablet(50mg)
Generic vs. Brand Name Usage*
*Brand contains same active ingredient but may not represent FDA-approved generic equivalent
Usage By Strength
In-Depth Information
Select a Medication

Phenytoin 50mg Chewable Tablet

NDC: 003783850
  • Prescription Required
  • Not a Controlled Drug
    (CSA Schedule)
  • FDA Approved




FDA approved for the following conditions:
Tonic-clonic Seizures, Partial Seizures

Storage Information
Protect from moisture
Store at controlled room temperature (between 68 and 77 degrees F)
Phenytoin 50mg Chewable Tablet

Reported Side Effects for Phenytoin 50mg Chewable Tablet

Upset Stomach Incidence:
1.0-10.0%*
Severity: MILD
Onset: EARLY
Constipation Incidence:
1.0-10.0%*
Severity: MODERATE
Onset: DELAYED
Vomiting Incidence:
1.0-10.0%*
Severity: MILD
Onset: EARLY
Drowsiness Incidence:
1.0-10.0%*
Severity: MILD
Onset: EARLY
Balance Problems Incidence:
1.0-10.0%*
Severity: MILD
Onset: EARLY
Liver Failure Incidence:
1.0-10.0%*
Severity: SEVERE
Onset: DELAYED
Paresthesias Incidence:
1.0-10.0%*
Severity: MILD
Onset: DELAYED
Headache Incidence:
1.0-10.0%*
Severity: MILD
Onset: EARLY
Metallic Taste Incidence:
1.0-10.0%*
Severity: MILD
Onset: EARLY
Weakness Incidence:
1.0-10.0%*
Severity: MILD
Onset: DELAYED
Incoordination Incidence:
1.0-10.0%*
Severity: MODERATE
Onset: DELAYED
Fast Eye Movements Incidence:
1.0-10.0%*
Severity: MODERATE
Onset: DELAYED
Stomach Pain Incidence:
1.0-10.0%*
Severity: MILD
Onset: EARLY
Inability To Sleep Incidence:
1.0-10.0%*
Severity: MILD
Onset: EARLY
Decreased Reflexes Incidence:
1.0-10.0%*
Severity: MILD
Onset: DELAYED
Lightheadedness Incidence:
1.0-10.0%*
Severity: MILD
Onset: EARLY
Gingival Hyperplasia Incidence:
>10.0%*
Severity: MODERATE
Onset: DELAYED
Shaking Incidence:
>10.0%*
Severity: MILD
Onset: EARLY
*This is an approximate aggregated range of reported side effects from clinical studies performed on this drug. Your experience with this drug may be different.
Daily Life Interactions for Phenytoin 50mg Chewable Tablet

Elements of your daily lifestyle may have an effect on the medications you are taking. Drug interactions can result in unwanted side effects, reduce the effectiveness of your medicine or possibly increase the action of a particular medicine.

Major Lifestyle Interaction
Alcohol and Phenytoin 50mg Chewable Tablet(Phenytoin)
Alcohol and Hydantoins(Phenytoin)
You should avoid alcoholic beverages while taking Phenytoin. Alcohol can affect seizure control and interfere with the drug treatment, and may increase the risk of serious side effects. Decreased alertness, drowsiness, falls, or other side effects may occur. Do not drive or operate machinery if you are drinking alcohol-containing beverages. If you notice slurred speech, confusion, severe weakness, or difficulty breathing, contact your health care provider immediately.
Major Lifestyle Interaction
Enteral Feedings and Phenytoin 50mg Chewable Tablet(Phenytoin)
Enteral Feedings and Phenytoin(Phenytoin)
Enteral feedings (examples: Ensure, Jevity and others) may decrease the effectiveness of Phenytoin suspension, by decreasing its absorption from the stomach. Take Phenytoin suspension 2 hours before or 2 hours after you take enteral feedings to limit an interaction. Phenytoin capsules do not appear to be affected by this interaction. If you are being treated for a seizure disorder, contact your health care provider if you notice an increase in the number or severity of seizures.
Moderate Lifestyle Interaction
Marijuana and Phenytoin 50mg Chewable Tablet(Phenytoin)
Marijuana and Phenytoin(Phenytoin)
Phenytoin can theoretically alter the elimination of Marijuana, Medical from the body. Side effects from Marijuana, Medical may get worse if you take Phenytoin. You may feel drowsy or more tired. Do not drive or operate machinery until you know how these drugs affect you. Contact your health care provider immediately if you notice slurred speech, confusion, increases heart rate, or palpitations while taking Marijuana, Medical.
Pregnancy & Lactation Information
FIRST Trimester

Class D - Adequate well-controlled or observational studies in pregnant women have demonstrated a risk to the fetus. However, the benefits of therapy may outweigh the potential risk. For example, the drug may be acceptable if needed in a life-threatening situation or serious disease for which safer drugs cannot be used or are ineffective.

SECOND Trimester

Class D - Adequate well-controlled or observational studies in pregnant women have demonstrated a risk to the fetus. However, the benefits of therapy may outweigh the potential risk. For example, the drug may be acceptable if needed in a life-threatening situation or serious disease for which safer drugs cannot be used or are ineffective.

THIRD Trimester

Class D - Adequate well-controlled or observational studies in pregnant women have demonstrated a risk to the fetus. However, the benefits of therapy may outweigh the potential risk. For example, the drug may be acceptable if needed in a life-threatening situation or serious disease for which safer drugs cannot be used or are ineffective.

Lactation

Compatible - This drug is generally safe to take by nursing mothers.


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