Phenytoin overdose

Alternative names

Diphenylhydantoin

Definition

Poisoning from an overdose of phenytoin.

Poisonous Ingredient

Diphenylhydantoin (Phenytoin)

Where Found

• Dilantin
  
• Antisacer
  
• Dintoina
  
• Diphenylan Sodium
  
• Epanutin
  
• Fenytoin
  

This list may not be all inclusive.

Symptoms

• Body as a whole
  o Unsteadiness
  o Swollen gums
  o Fever
  o Tremor
  o Convulsions (occasionally)
  o Rigidity
  
• Eyes, ears, nose, and throat
  o Nystagmus (side-to-side eye movement)
  
• Heart and cardiovascular
  o Low blood pressure
  
• Nervous system
  o Sleepiness
  o Confusion
  o Slurred speech
  o Dizziness
  o Coma
  

Home Treatment

Contact Poison Control for instructions.

Before Calling Emergency

Determine the following information:

• The patient's age, weight, and condition
  
• Name of product (as well as the ingredients and strength if known)
  
• The time it was swallowed
  
• The amount swallowed
  
• If the medication was prescribed for the patient
  

Poison Control, or a local emergency number
They will instruct you if it is necessary to take the patient to the hospital. See Poison Control centers for telephone numbers and addresses. Take the container with you to the emergency room.

What to expect at the emergency room

Some or all of the following procedures may be performed:

• Maintain the airway.
  
• Maintain breathing.
  
• Administer activated charcoal.
  
• Administer a laxative.