Phenobarbital

a barbiturate

Class: anticonvulsant, sedative, hypnotic.

Use: Management of tonic-clonic (grand mal), partial, and febrile seizures.

Preoperative sedative and others situations requiring sedation.

Acts on all levels of CNS depression.

Adverse Effects:

  • hangover
  • delirium
  • drowsiness
  • lethargy
  • vertigo
  • respiratory depression
  • hypotension
  • nausea
  • vomiting
  •  diarrhea
  • asthralgia
  • myalgia
  • serum sickness: a delayed allergic reaction to the injection of an antiserum caused by an antibody reaction to an antigen in the source.
  • physical dependance  and psychological dependance may occur.

Assess:

  1. respiratory status
  2. pulse
  3. blood pressure
  4. psychological or physical dependance
  5. sedation level
  6. serum phenobarbital levels

 

Hazard Vallerand, April,  and Hopfer Deglin, Judith. 2007. Davis` Drug Guide for Nurses. 11th ed. F. A Davis Company, USA.

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