What is phenytoin 100mg used for?

What is phenytoin 100mg used for?

Phenytoin is used to control certain type of seizures, and to treat and prevent seizures that may begin during or after surgery to the brain or nervous system. Phenytoin is in a class of medications called anticonvulsants. It works by decreasing abnormal electrical activity in the brain.

Why phenytoin sodium is used?

Phenytoin is used to prevent and control seizures (also called an anticonvulsant or antiepileptic drug). It works by reducing the spread of seizure activity in the brain.

How do you take phenytoin tablets?

Swallow an extended-release capsule whole and do not crush, chew, break, or open it. Phenytoin chewable tablets are not for once-per-day dosing. You must take them 2 or 3 times per day. Follow your doctor’s dosing instructions very carefully.

Is phenytoin a blood thinner?

Blood thinner Also, phenytoin can affect how the body handles warfarin in several ways. Your doctor will monitor you closely when starting, stopping, or adjusting your phenytoin treatment if you also take warfarin.

What is phenytoin level in blood?

Toxic phenytoin levels are defined as greater than 30 µg/mL. Lethal levels are defined as greater than 100 µg/mL. The reference range of free phenytoin is 1-2.5 µg/mL. In patients with renal failure associated with hypoalbuminemia, free phenytoin levels may be more accurate than total phenytoin levels.

How do I lower my phenytoin level?

Serum levels of phenytoin are decreased by the following:

  1. Antineoplastic drugs.
  2. Calcium.
  3. Diazepam.
  4. Diazoxide.
  5. Ethanol (long-term use),
  6. Folic acid.
  7. Phenobarbital.
  8. Rifampin.

What is the antidote for phenytoin?

There is no antidote, and there is no evidence that any method of gastrointestinal decontamination or enhanced elimination improves outcome. Activated charcoal should be considered if the patient presents early; however, the role of multiple-dose activated charcoal is controversial.