Phenytoin 100 mg Extended Release Capsules is included in the Pill Pass Discount Drug List at Pill Pals Pharmacy. This educational article summarizes key FDA-label topics for patients, caregivers, and prescribers who want a plain-language overview before speaking with a physician or pharmacist.
Drug Name
Phenytoin 100 mg Extended Release Capsules
FDA Labeled Indications
Phenytoin extended-release capsules are FDA-labeled for control of generalized tonic-clonic and complex partial seizures and prevention and treatment of seizures occurring during or after neurosurgery.
Contraindications
Contraindications include hypersensitivity to phenytoin, other hydantoins, or product components; sinus bradycardia, sinoatrial block, second- or third-degree AV block, or Adams-Stokes syndrome in some labels; and coadministration with delavirdine.
Warnings
Warnings include serious skin reactions, drug reaction with eosinophilia and systemic symptoms, liver injury, blood disorders, suicidal behavior and ideation, cardiac effects, hyperglycemia, and fetal harm.
Precautions
Therapeutic drug monitoring may be needed. Use caution with liver disease, kidney disease, low albumin, pregnancy, many drug interactions, alcohol, and abrupt discontinuation.
Adverse Reactions
Adverse reactions may include dizziness, nystagmus, coordination problems, slurred speech, drowsiness, gum overgrowth, rash, nausea, and blood or liver abnormalities.
Pill Pass Discount Drug List Notes
Availability, quantity limits, manufacturer selection, and final dispensing decisions may depend on prescription requirements, clinical appropriateness, inventory, and applicable law. This article is informational and is not a substitute for individualized medical advice, diagnosis, treatment, or the full FDA-approved labeling for the dispensed product.
Related Pill Pass Discount Drug List Articles
For related medications on the same Pill Pass Discount Drug List, you may also review Pramipexole 0.125 mg Immediate Release Tablets, Paroxetine 40 mg Immediate Release Tablets, Pramipexole 0.25 mg Immediate Release Tablets, and Paroxetine 30 mg Immediate Release Tablets.
Source note: this article is written as a patient-friendly summary of FDA labeling topics available through DailyMed and related FDA labeling resources. Manufacturer-specific labeling can vary, so patients should rely on the medication guide, package insert, prescriber instructions, and pharmacist counseling for their specific product.
Phenytoin 100 mg Extended Release Capsules is on the Pill Pass List. This information is accurate as of May 13, 2026. If you would like more information on this medication, please contact your Physician or Pharmacist.
