section name header

Pronunciation ⬇

proe-klor-PAIR-a-zeen

Classifications ⬆ ⬇

Therapeutic Classification: antiemetics, antipsychotics

Pharmacologic Classification: phenothiazines

Indications ⬆ ⬇

REMS


Action ⬆ ⬇

  • Alters the effects of dopamine in the CNS.
  • Possesses significant anticholinergic and alpha-adrenergic blocking activity.
  • Depresses the chemoreceptor trigger zone in the CNS.
Therapeutic effects:
  • Diminished nausea and vomiting.

Pharmacokinetics ⬆ ⬇

Absorption: Absorption from tablet is variable; may be better with oral liquid formulations. Well absorbed after IM administration.

Distribution: Widely distributed; high concentrations in the CNS.

Protein Binding: ≥90%.

Metabolism/Excretion: Highly metabolized by the liver and GI mucosa.

Half-Life: Unknown.

Time/Action Profile ⬆ ⬇

(antiemetic effect)

ROUTEONSETPEAKDURATION
PO30–40 minunknown3–4 hr
Rect60 minunknown3–4 hr
IM10–20 min10–30 min3–4 hr
IVrapid (min)10–30 min3–4 hr

Contraind./Precautions ⬆ ⬇

Contraindicated in:

Use Cautiously in:

Adv. Reactions/Side Effects ⬆ ⬇

CV: ECG changes, hypotension, tachycardia

Derm: photosensitivity, pigment changes, rash

EENT: blurred vision, dry eyes, lens opacities

Endo: galactorrhea, hyperprolactinemia

GI: constipation, dry mouth, anorexia, hepatitis, ileus

GU: pink or reddish-brown discoloration of urine, urinary retention

Hemat: AGRANULOCYTOSIS, leukopenia

Metab: hyperthermia

Neuro: extrapyramidal reactions, NEUROLEPTIC MALIGNANT SYNDROME, sedation, tardive dyskinesia

Misc: allergic reactions

Interactions ⬆ ⬇

Drug-drug:

Drug-Natural Products:

Route/Dosage ⬆ ⬇

Availability ⬆ ⬇

(Generic available)

Assessment ⬆ ⬇

Lab Test Considerations:

Implementation ⬆ ⬇

IV Administration:

Patient/Family Teaching ⬆ ⬇

Evaluation/Desired Outcomes ⬆ ⬇

US Brand Names ⬆ ⬇

Compazine, Compro

Canadian Brand Names ⬆ ⬇

Prochlorazine

Code ⬆

NDC Code