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Dilantin (Phenytoin)

Also Known as Epanutin

Prescription medicineOnly Available By Prescription

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What if I find a lower price with another pharmacy?

We guarantee the lowest price on all of our prescription products. If you find your medications cheaper at any other recognized licensed mail order pharmacy, we will not only match their price, we will beat it by 25% of the difference. It is our 125% price match guarantee!

Example: If you find a product on Canada Drugs Direct for $50.00 and find the same product for $40.00 at another mail order pharmacy, we will provide you with a $12.50 discount, bringing your total to $37.50.

To get the discount please make sure to mention the price match to the customer service team when they call to collect payment for your order. Or call toll free at 1-888-904-8467 to place the order through the phone.

Terms & Conditions of Program

  • Guaranteed lowest price is only valid at the time of sale.
  • We will only match the current advertised price.
  • Products must be identical and in stock at the time of placing an order with a licensed mail order pharmacy. They must be an online Canadian pharmacy with an address in Canada.
  • Products must be authentic in brand and size (same manufacturer, same country of manufacture, same pack size, same strength and same quantity).
  • Products must be new. We cannot match the price of any used, short expiry or expired product.
  • Price match can only be issued over the phone with our customer service team. Please note at this time we cannot offer price matching for the products Ozempic or Saxenda.
What is a Generic Drug?

A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.

The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.

Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.


DILANTIN (Phenytoin) is a medication used to treat different seizure disorders including focal (partial) seizures, generalized onset seizures, or status epilepticus, and to provide seizure prophylaxis following neurosurgery and post-traumatic injury.

Seizures occur when there is abnormal electrical activity in different parts of the brain. The type of abnormal activity and the location in the brain determine which type of seizure disorder. DILANTIN decreases seizure activity in brain cells by decreasing the movement of sodium ions across cell membranes, which slows or stops nerve impulses.


DILANTIN is dosed between two to four times daily. It is dosed in increments of 100 mg when using oral capsules and 50 mg when using chewable tablets. The daily dosage of DILANTIN is determined by monitoring the blood levels of the drug and is individualized for each person.


The generic name of DILANTIN is phenytoin, which is the active ingredient.


DILANTIN has many precautions that should be discussed with the prescriber before starting the medication. Discuss with your doctor if you have a history of any of the following:

  • Bone mineral density disorders
  • Cardiovascular disorders
  • Dermatologic condition
  • Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS), also known as multiorgan hypersensitivity
  • Hyperglycemia or diabetes mellitus
  • Porphyria
  • Pregnancy or intention to become pregnant
  • Suicidal ideation and behavior

DILANTIN can cause or worsen these conditions.

The blood levels of the drug must be closely monitored and the daily dose will be adjusted based on these levels. Your prescriber will instruct you on the process of blood testing and follow-up.

Side Effects

DILANTIN long-term side effects may include the following:

  • Acute liver failure
  • Angioedema
  • Constipation
  • Dizziness 
  • Enlargement of the lips
  • Gingival hyperplasia
  • Hematologic complications like agranulocytosis, leukopenia, granulocytosis, pancytopenia, thrombocytopenia
  • Insomnia
  • Mental confusion
  • Metallic taste
  • Nausea and vomiting
  • Nystagmus Ataxia
  • Parasthesias
  • Rash
  • Slurred speech
  • Somnolence
  • Vertigo


  1. DailyMed "Dilantin Package Insert." Published 2019. Accessed November 7, 2019.
  2. Goldenberg MM. "Overview of drugs used for epilepsy and seizures: etiology, diagnosis, and treatment. P & T?: a peer-reviewed journal for formulary management." 2010;35(7):392-415. . Accessed November 7, 2019.

IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.

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