section name header

Pronunciation ⬇

do-LOX-e-teen

Classifications ⬆ ⬇

Therapeutic Classification: antidepressants

Pharmacologic Classification: selective serotonin and norepinephrine reuptake inhibitors-SSNRIs

Indications ⬆ ⬇

BEERS REMS


Action ⬆ ⬇

  • Inhibits serotonin and norepinephrine reuptake in the CNS. Both antidepressant and pain inhibition are centrally mediated.
Therapeutic effects:
  • Decreased depressive symptomatology.
  • Decreased neuropathic pain.
  • Decreased symptoms of anxiety.
  • Decreased pain.

Pharmacokinetics ⬆ ⬇

Absorption: Well absorbed following oral administration.

Distribution: Unknown.

Protein Binding: >90%.

Metabolism/Excretion: Primarily metabolized in the liver via the CYP2D6 and CYP1A2 isoenzymes; the CYP2D6 isoenzyme exhibits genetic polymorphism; ∼7% of population may be poor metabolizers and may have significantly ↑ duloxetine concentrations and an ↑ risk of adverse effects.

Half-Life: 12 hr.

Time/Action Profile ⬆ ⬇

(plasma concentrations)

ROUTEONSETPEAKDURATION
POunknown6 hr12 hr

Contraind./Precautions ⬆ ⬇

Contraindicated in:

Use Cautiously in:

Adv. Reactions/Side Effects ⬆ ⬇

CV: hypertension, orthostatic hypotension

Derm: ↑sweating, ERYTHEMA MULTIFORME, pruritus, rash, STEVENS-JOHNSON SYNDROME (SJS)

EENT: ↑intraocular pressure, blurred vision

Endo: SIADH

F and E: hyponatremia

GI: constipation, dry mouth, nausea, ↑liver enzymes, diarrhea, gastritis, HEPATOTOXICITY, PANCREATITIS, vomiting

GU: dysuria, ↓libido, delayed/absent orgasm, ejaculatory delay/failure, erectile dysfunction, urinary retention

Hemat: BLEEDING

Metab: ↓appetite

Neuro: drowsiness, fatigue, insomnia, activation of mania, dizziness, fainting, falls, NEUROLEPTIC MALIGNANT SYNDROME, nightmares, SEIZURES, SUICIDAL THOUGHTS/BEHAVIORS, tremor

Misc: SEROTONIN SYNDROME

Interactions ⬆ ⬇

Drug-drug:

Drug-Natural Products:

Route/Dosage ⬆ ⬇

Major Depressive Disorder

Generalized Anxiety Disorder

Diabetic Peripheral Neuropathic Pain

Fibromyalgia

Chronic Musculoskeletal Pain

Availability ⬆ ⬇

(Generic available)

Assessment ⬆ ⬇

Lab Test Considerations:

Implementation ⬆ ⬇

Patient/Family Teaching ⬆ ⬇

Evaluation/Desired Outcomes ⬆ ⬇

US Brand Names ⬆ ⬇

Cymbalta

Pill Image

Duloxetine_195-8569.jpg

Code ⬆

NDC Code