Barbiturates/ phenobarbital

Question 1

common Barbiturates/ phenobarbital endings

Answer 1

-tal

Question 2

Barbiturates/ phenobarbital therapeutic actions

Answer 2

-general CNS depression
-inhibit neural conduction in the ascending RAS
-depress cerebral cortex
-alter cerebral cortex
-depress motor output

Question 3

Barbiturates/ phenobarbital indications

Answer 3

-relief of the signs and symptoms of anxiety
-sedation
-treatment of insomnia
-pre-anesthesia
-treatment of seizures

Question 4

Barbiturates/ phenobarbital contraindications and cautions

Answer 4

-allergy
-previous history of addiction to sedative
-latent or manifest of porphyria
-hepatic impairment or nephritis
-respiratory distress/ respiratory dysfunction
-pregnancy

Question 5

Barbiturates/ phenobarbital adverse effects

Answer 5

MORE SEVERE THAN HOSE OF NEWER SEDATIVES
-most common related to CNS depression
-GI effects
-CV effects
-serious hypoventilation
-hypersensitivity reactions

Question 6

Barbiturates/ phenobarbital drug to drug interactions

Answer 6

-decreased CNS depression with taken with alcohol, antihistamines, & her barbiturates
-altered response to phenytoin
-MAOI
-decreased effectiveness to oral contraceptives, digoxin, TCS, corticosteroids, anticoagulants

Question 7

Barbiturates/ phenobarbital nursing considerations

Answer 7

-asses for hx of addiction to sedative-hypnotic drug
-obtain patient history & complete medication list
-assess baseline neurological & CV
-taper slowly
-use oral form of medications if possible & give IV slowly