Structured reference

Fluoxetine

Antidepressants · Oral capsule

Reference information · Structured reference
Last content update
2026-10-27
Clinical review
Not independently reviewed
Source jurisdiction
See individual sources
Coverage
Structured reference
What changed in this edition

Clinical essentials #

Reference fieldScope
Formulation / routeOral capsule
Selected adult indicationMajor depressive disorder in adults
MechanismSerotonin-transporter inhibition; the active norfluoxetine metabolite contributes to prolonged persistence.

Indications & formulation #

Major depressive disorder in adults. This reference covers the selected formulation; other indications and products need their own evidence.

Dose reference #

Adult educational reference · Oral capsule · United States. The clinician selects treatment after assessment; this page does not calculate or change a prescription.

Start 20 mg each morning; reassess over several weeks before increasing. The selected adult MDD label limits the total to 80 mg/day.

Contraindications & important cautions #

Avoid MAOI combinations; allow at least five weeks after stopping fluoxetine before an MAOI. Pimozide and thioridazine are contraindicated combinations.

Selected important cautions; consult the full product information for all contraindications and warnings.

Adverse effects #

Activation, gastrointestinal and sexual effects; consider hyponatraemia, bleeding and serotonin toxicity in the appropriate context.

Interactions #

CYP2D6 inhibition and prolonged elimination matter when reviewing co-medication and switching. MAOI timing is product-specific.

Monitoring #

Review mood activation, target symptoms, function, adherence and adverse effects; assess sodium or other tests when clinically indicated.

Special populations #

Hepatic impairment and older age may require lower or less frequent dosing. Long elimination complicates switches.

Adult scope. Pregnancy, breastfeeding and pediatric use require the exact product’s population-specific guidance and individual assessment.

Discontinuation, restarting & counseling #

Review withdrawal and relapse even with its long half-life; interactions persist after the final dose.

Condition-specific prescribing #

Additional indication-specific records retain their own formulation and source context.

Prescribing reference

Fluoxetine

Adult bulimia nervosa; adjunct to comprehensive care

Adults · Conventional tablet/capsule; not weekly delayed-release product · Oral · US fluoxetine label; not a statement of Indian indication approval

Starting dose
Label-recommended dose is 60 mg each morning; some patients require gradual titration to it.
Titration
Individualize gradual introduction for tolerability; the cited label does not specify a universal incremental schedule for bulimia.
Treatment range / target
60 mg/day is the evidence-supported target.
Maximum / limits
Doses above 60 mg/day have not been systematically studied for bulimia; do not import the depression maximum.
Trial & duration
Reassess acute response and periodically review continued benefit during maintenance.
Monitoring
Binge/purge frequency, activation, suicidality, sodium when indicated, bleeding and interactions.
Population & organ-function adjustments
Use a lower or less frequent dose in hepatic impairment and selected medically complex patients.
Important cautions
MAOIs and interacting serotonergic medicines; long persistence matters when switching. Assess electrolyte/cardiac vulnerability from purging.

Open the condition treatment guide ↗

Brands & products #

Historical catalogue observations. Prices and catalogue presence do not establish current availability or Indian approval.

Reference coverage #

Structured summary of selected adult uses, not an exhaustive monograph. Indian product authorization and local prescribing requirements have not been reconciled.

References · 2
  1. Fluoxetine — Oral capsule — selected prescribing information · United States · Checked 2026-10-27 · Selected formulation: Oral capsule · Supports indications, dose, cautions, adverse effects, interactions, monitoring, special populations and stopping. Source sections: Indications and usage; Dosage and administration; Contraindications; warnings and precautions; Use in specific populations; patient counseling
  2. DailyMed: Fluoxetine—bulimia dosing and prescribing precautions · United States label · Checked 2026-10-26 · Supports: Fluoxetine — Adult bulimia nervosa; adjunct to comprehensive care (Conventional tablet/capsule; not weekly delayed-release product)

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