section name header

Pronunciation

thye-oh-THIX-een

Classifications

Therapeutic Classification: antipsychotics (conventional)

Pharmacologic Classification: thioxanthenes

Indications

BEERS REMS


Action

  • Alters the effect of dopamine in the CNS.
Therapeutic effects:
  • Diminished signs and symptoms of psychoses.

Pharmacokinetics

Absorption: Well absorbed following oral administration.

Distribution: Widely distributed to tissues.

Metabolism/Excretion: Mainly metabolized by the liver.

Half-Life: 30 hr.

Time/Action Profile

(antipsychotic effects)

ROUTEONSETPEAKDURATION
POdays–wksunknownunknown





Contraind./Precautions

Contraindicated in:

Use Cautiously in:

Adv. Reactions/Side Effects

CV: hypotension, nonspecific ECG changes, tachycardia

Derm: photosensitivity, pigment changes, rash

EENT: blurred vision, dry eyes, lens opacities

Endo: amenorrhea, breast enlargement, galactorrhea

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

GU: urinary retention

Hemat: AGRANULOCYTOSIS, leukocytosis, leukopenia, neutropenia

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

Misc: allergic reactions, hyperpyrexia

Interactions

Drug-drug:

Drug-Natural Products:

Route/Dosage

Availability

(Generic available)

Assessment

Lab Test Considerations:

Implementation

Patient/Family Teaching

Evaluation/Desired Outcomes