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Educational Medication GuideRxClass: SSRI

Fluoxetine

Generic Name: Fluoxetine

Common Brand Names: Prozac
Dosage Form:Capsule
Route:Oral
Pregnancy Category:C
Last Reviewed:9/21/2026

Uses & Medical Indications

Treat depression, OCD, panic disorder

Medical Conditions Treated:

MDD, OCD, Bulimia nervosa, Panic disorder

Work Mechanism & Pharmacology

How It Works

Patient Overview of Work Mechanism

Fluoxetine works at the cellular level to correct underlying biochemical imbalances, reduce clinical symptoms, and support overall health.

Clinical Mechanism of Action (MoA)

Fluoxetine exerts targeted therapeutic activity by interacting with specific cellular receptors, enzymatic pathways, or biological signaling cascades to relieve symptoms and restore physiological balance.

Primary TargetFluoxetine hydrochloride
Therapeutic FamilyAntidepressant
Administration RouteOral

Dosage & Administration Guidelines

Adult Dosage

20-60 mg daily

Pediatric Dosage

10-20 mg daily (>=8 yrs)

Elderly / Geriatric Considerations

Consider lower starting dose

Maximum Dose Limit

80 mg/day

Renal Impairment:

No adjustment needed

Hepatic Impairment:

Use lower or less frequent dose

Side Effects & Safety Warnings

Common Side Effects

Insomnia, nausea, anorexia

Serious Adverse Reactions

Serotonin syndrome, suicidal thoughts

Contraindications:

MAOI use

Important Warnings & Precautions:

Long half-life requires 5 week washout for MAOIs

Interactions (Drugs, Food & Alcohol)

Drug-Drug Interactions:

MAOIs, NSAIDs, CYP2D6 substrates

Food & Dietary Interactions:

N/A

Alcohol Interaction Warning:

Avoid

Identified Clinical Drug Interactions for Fluoxetine:

Fluoxetine + PhenelzineMajor Interaction

Fatal Serotonin Syndrome & Hypertensive Crisis

Check in Tool →

Pregnancy & Breastfeeding Safety

Pregnancy Safety

Risk in third trimester

Breastfeeding / Lactation

Not recommended

Patient Counseling & Practical Advice

How to Take:

Take in the morning

What to Do if You Miss a Dose:

Take as soon as remembered

Recommended Monitoring & Lab Tests:

Mood changes, suicidality

Related Medicines in SSRI

Emergency Medical Warning

When to Seek Urgent Medical Attention

Seek immediate emergency medical care (call emergency services or proceed to the nearest emergency department) if you experience signs of a life-threatening allergic reaction (anaphylaxis: facial, lip, tongue, or throat swelling causing airway obstruction), severe cutaneous blistering with skin peeling, sudden intense chest pain, or symptoms of overdose.

Emergency Safety Protocol: If an intentional or accidental overdose is suspected, contact your regional Poison Control Center or emergency services immediately. Do not induce vomiting unless strictly advised by emergency healthcare personnel.
Educational Sources & References

Content for Fluoxetine was synthesized from standardized public health monographs, official pharmacopoeias, and health authorities:

  • Central Drugs Standard Control Organization (CDSCO) — National List of Essential Medicines
  • World Health Organization (WHO) — Model List of Essential Medicines
  • Indian Pharmacopoeia Commission (IPC) — Indian Pharmacopoeia Drug Monographs
  • National Health Service (NHS) — Medicines A to Z Clinical Guidelines
Published by: Medi Info Hub TeamLast Updated: 10/19/2026

The information provided on this website is for educational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare provider with any questions you may have regarding a medical condition.