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Fluoxetine - Indications, Dosage, Side Effects and Precautions

Written & Compiled by Anushta Chandrapalan, M.Sc  | Medically Reviewed by The Medindia Medical Review Team
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General Information on Fluoxetine

Generic Name : Fluoxetine
Pronunciation : floo ox' e teen
Latest prescription information about Fluoxetine. Learn how to pronounce the drug's name, its indications, dosage, how to take, when to take, when not to take, side effects, special precautions, warnings and its storage instructions . Also listed are the International and Indian trade name(s) of the drug and its price list.
ICD Code : Y49.2 | Therapeutic Classification : Psychotherapeutics

Trade Names/Brand Names of Fluoxetine

India : 


International : 

Prozac, Rapiflux, Sarafem, Selfemra

Why is Fluoxetine Prescribed? (Indications)

This medication is an antidepressant, prescribed for depression and anxiety. It is also used for obesity and eating disorders.  

When should Fluoxetine not be taken? (Contraindications)

Contraindicated in patients who are taking MAOIs, pimozide, thioridazine and hypersensitivity.

What is the dosage of Fluoxetine?

Adult: PO- The recommended dose range is 20 - 80 mg/day.

How should Fluoxetine be taken?

It comes as a capsule and solution to take by mouth, with or without food once or twice a day.

What are the warnings and precautions for Fluoxetine?

• Caution should be exercised in patients with history of seizures, heart, liver or kidney problems, stomach bleeding, sugar, metabolic problems, suicidal thoughts, any allergy, who are taking other medications, elderly, children, during pregnancy and breast feeding.

• It may cause drowsiness or dizziness, do not drive a car or operate machinery while taking this medication.

• Avoid alcohol consumption.

• It may develop increased risk of suicidal thoughts in children and teenagers; watch them carefully.

• It may affect blood sugar level; monitor sugar level regularly while taking this medication.

• Patient may develop with increased risk of neuroleptic malignant syndrome (NMS) with the following symptoms: fever, stiff muscles, confusion, abnormal thinking, fast or irregular heartbeat and sweating. If it is so consult with your doctor.

• Patient may develop with increased risk of Serotonin Syndrome with the following symptoms: agitation, confusion, hallucinations, coma, fever, irregular heartbeat, tremor, excessive sweating, nausea, vomiting, and diarrhea.

What are the side effects of Fluoxetine?

•   Body as a Whole : Headache, weakness, flu syndrome and fever.
•   Heart : Dilatation of blood vessels.
•   Gastrointestinal : Nausea, diarrhea, loss of appetite, dry mouth, indigestion, constipation, flatulence and vomiting.
•   Metabolic : Weight loss.
•   Central Nervous System : Sleeplessness, nervousness, anxiety, drowsiness, dizziness, tremor, decreased sexual interest and abnormal thinking.
•   Respiratory : Yawn.
•   Skin : Increased sweating, rash and itching.
•   Special Senses : Abnormal vision.

What are the other precautions for Fluoxetine?

Rarely it may cause prolonged, painful erection, if it so consult with your doctor.
Do not take more than recommended dose.

What are the storage conditions for Fluoxetine?

Store at controlled room temperature (15° to 30°C).

<>Schedule : HPrescription drugs - Drugs to be sold only under the prescription of a Registered Medical Practitioner.

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Suritani, India

Hi, I am working for a software company. Since 10 years I am suffering with OCD. But i never been to doctor regarding this. Last i went and met DR. C R chandrasekhar he suggested me to take FLUNIL 20 mg tablet. I browsed about this tablet [FLUNIL 20 mg] in google it is showing there are many side effects if we take this tablets. Is it true? Is there any side effects if I take this tablet? Kindly suggest

jaypeamiler06, Singapore

Is it available worldwide?

trans4mer111, India

yaa it induces sleepiness as far as in my case

sunil.jhamb, India

when my father taken this medicine they always feel sleepy they like sleeping it is the purpose of sleeping kindly suggest me, waiting for reply

fluxozam : fluoxetine 20mg
alprazolam .25mg

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