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Fludac 20 MG Capsule

Manufacturer: Cadila Pharmaceuticals Ltd
Medicine composition: Fluoxetine
Prescription vs.OTC: Prescription by Doctor not required
Last Updated: March 23, 2022

This medicine is primarily used for the treatment of major depression; treatment of binge-eating and vomiting in patients with moderate-to-severe bulimia nervosa;. It is also used for treating obsessive-compulsive disorder.

Fludac 20 MG Capsule is used for the treatment of obsessive-compulsive disorder (OCD), depression, sudden panic attacks, bulimia (eating disorder) and premenstrual dysphoric disorder (symptoms of tension, irritability and depression before menstruation). The medication can improve your sleep, mood, appetite as well as the energy level.

It belongs to the drug group known as selective serotonin reuptake inhibitors (SSRIs). It works by increasing the serotonin amount in your body, which is a natural substance present in your brain that helps in maintaining mental balance.

Fludac 20 MG Capsule dosage will depend on your present health condition and how your body reacts to the first dose. Your doctor may prescribe a low dose initially and then increase it gradually.

It is advised not to stop the medication abruptly without consulting your doctor, as there is a possibility of experiencing withdrawal symptoms such as mood changes, dizziness, anxiety, confusion, agitation or irritability. It may take 4-5 weeks and sometimes even longer for Fludac 20 MG Capsule to show its full effectiveness.

You can suffer from mild side effects like nervousness, nausea, dry mouth, weakness, drowsiness and decreased sexual performance while taking Fludac 20 MG Capsule. You can consult your doctor if they refuse to go away after some time. However, there can be some serious side effects too in some cases that require immediate medical attention:

Fludac 20 MG Capsule can make you feel drowsy or dizzy. It is advised not to drive or do any other activity that requires your complete concentration. In case you are an elderly patient, be careful when you are getting up from a sitting or sleeping position to avoid a sudden fall. Also, you must avoid alcohol while you are under this medication.

Take exactly as directed (do not increase dose or frequency); may take 2-3 weeks to achieve desired results; may cause physical and/or psychological dependence. Take once-a-day dose in the morning to reduce incidence of insomnia.

Avoid excessive alcohol, caffeine, and other prescription or OTC medications not approved by prescriber. Maintain adequate hydration (2-3 L/day of fluids unless instructed to restrict fluid intake).

Symptoms of Fludac 20 MG Capsule overdose include ataxia, sedation, and coma; respiratory depression may occur, especially with coingestion of alcohol or other drugs; seizures very rarely occur.

This medicine is used for treating the following conditions:

  • Bulimia

  • Depression

  • Obsessive Compulsive Disorder (Ocd)

  • Allergy

  • Monoamine oxidase inhibitors

Common side effects occur after ingestion of this medicine:

  • How long is the duration of effect?

    The effect of this medicine lasts for an average duration of about 12 to 14 days.
  • What is the onset of action?

    The peak effect of this medicine can be observed in 6 to 8 hours after administration.
  • Are there any pregnancy warnings?

    This medicine is not suggested for use during pregnancy.
  • Is it habit forming?

    No habit forming tendency has been reported
  • Are there any breast-feeding warnings?

    This medicine is not recommended for use in breastfeeding women unless absolutely necessary. Consult your doctor about the potential benefits and risks before deciding to take this medicine. Monitoring of undesired effects like colic, fussiness, and drowsiness is necessary.
  • Does this affect kidney function?

    Dosing adjustment in renal impairment:
    • Single dose studies: Pharmacokinetics of fluoxetine and norfluoxetine were similar among subjects with all levels of impaired renal function, including anephric patients on chronic hemodialysis.
    • Chronic administration: Additional accumulation of fluoxetine or norfluoxetine may occur in patients with severely impaired renal function.
    • Hemodialysis: Not removed by hemodialysis.
  • Does this affect liver function?

    Dosing adjustment in renal impairment:Elimination half-life of fluoxetine is prolonged in patients with hepatic impairment; a lower or less frequent dose of fluoxetine should be used in these patients.
    • Cirrhosis patients: Administer a lower dose or less frequent dosing interval.
    • Compensated cirrhosis without ascites: Administer 50% of normal dose.
  • Is It safe with alcohol?

    Consumption of alcohol must be avoided.

Below is the list of medicines, which have the same composition, strength and form as Fludac 20 MG Capsule , and hence can be used as its substitute.

  • Missed Dose instructions

    Take the missed dose as soon as you remember.
  • Overdose instructions

    Seek emergency medical treatment or contact the doctor in case of an overdose.

The medication belongs to the class selective serotonin reuptake inhibitors. It works by inhibiting the reuptake of serotonin thus increasing its concentration in the brain and helps in reducing the symptoms.

Whenever you take more than one medicine, or mix it with certain foods or beverages, you"re at risk of a drug interaction.

  • Interaction with Alcohol

    Alcohol consumption is not suggested during treatment with this medicine since side effects such as difficulty concentrating and dizziness are associated with it.
  • Interaction with Lab Test

    Albumin level is increased while the patient is taking Fludac 20 MG Capsule. This inferred to a false-positive result for the same.
  • Interaction with Medicine

    • CYP2D6 enzyme substrate (minor), CYP3A3/4 enzyme substrate; CYP2C9 enzyme inducer; CYP1A2, 2C19, 2D6, and 3A3/4 enzyme inhibitor.
    • Fludac 20 MG Capsule inhibits the metabolism of tricyclic antidepressants (amitriptyline, desipramine, imipramine, nortriptyline) resulting is elevated serum levels; if combination is warranted, a low dose of TCA (10-25 mg/day) should be utilized.
    • Fludac 20 MG Capsule may cause hyponatremia; additive hyponatremic effects may be seen with combined use of a loop diuretic (bumetanide, furosemide, torsemide); monitor for hyponatremia.
    • Fludac 20 MG Capsule inhibits the reuptake of serotonin; combined use with a serotonin agonist (buspirone) may cause serotonin syndrome.
    • Fludac 20 MG Capsule may inhibit the metabolism of carbamazepine resulting in increased carbamazepine levels and toxicity; monitor for altered CBZ response.
    • Cyproheptadine, a serotonin antagonist may inhibit the effects of serotonin reuptake inhibitors (Fludac 20 MG Capsule); monitor for altered antidepressant response.
    • Fludac 20 MG Capsule inhibits the metabolism of dextromethorphan; visual hallucinations occurred in a patient receiving this combination; monitor for serotonin syndrome.
    • Fludac 20 MG Capsule may inhibit the metabolism of haloperidol and cause extrapyramidal symptoms (EPS); monitor patients for EPS if combination is utilized.
    • Fludac 20 MG Capsule should not be used with nonselective MAOIs (isocarboxazid, phenelzine). Fatal reactions have been reported. Wait 5 weeks after stopping Fludac 20 MG Capsule before starting an MAOI and 2 weeks after stopping an MAOI before starting Fludac 20 MG Capsule.
    • Patients receiving Fludac 20 MG Capsule and lithium have developed neurotoxicity. If combination is used, monitor for neurotoxicity.
    • Fludac 20 MG Capsule may inhibit the metabolism of metoprolol and propranolol resulting in cardiac toxicity; monitor for bradycardia, hypotension, and heart failure if combination is used.
    • Fludac 20 MG Capsule inhibits the reuptake of serotonin; combined use with other drugs which inhibit the reuptake (nefazodone, sibutramine) may cause serotonin syndrome. Monitor patient for altered response with nefazodone; avoid sibutramine combination.
    • Fludac 20 MG Capsule inhibits the metabolism of phenytoin and may result in phenytoin toxicity; monitor for phenytoin toxicity (ataxia, confusion, dizziness, nystagmus, involuntary muscle movement).
    • Fludac 20 MG Capsule has been reported to cause mania or hypertension when combined with selegiline; this combination is best avoided.
    • Fludac 20 MG Capsule may inhibit the metabolism of lovastatin and simvastatin resulting in myositis and rhabdomyolysis; these combinations are best avoided.
    • Fludac 20 MG Capsule combined with tramadol (serotonergic effects) may cause serotonin syndrome; monitor.
    • Fludac 20 MG Capsule may inhibit the metabolism of trazodone resulting in increased toxicity; monitor.
    • Fludac 20 MG Capsule inhibits the reuptake of serotonin; combination with tryptophan, a serotonin precursor, may cause agitation and restlessness; this combination is best avoided.
    • Fludac 20 MG Capsule may alter the hypoprothombinemic response to warfarin; monitor.
  • Interaction with Disease

    • Depression: Use with caution the patients suffering from depression and other psychiatric disorders due to the increased risk of suicidal thoughts especially at the beginning of the treatment and at the time of dose change. Discontinue the medicine and inform the doctor if these symptoms appear.
    • Glaucoma: Use with caution in the patients with angle-closure glaucoma or history of glaucoma due to the risk of increasing the intraocular pressure.
    • Use caution in patients with a previous seizure disorder or condition predisposing to seizures such as brain damage, alcoholism, or concurrent therapy with other drugs which lower the seizure threshold.
    • Use with caution in patients with hepatic or renal dysfunction and in elderly patients.
    • May cause hyponatremia/SIADH.
    • May increase the risks associated with electroconvulsive treatment.
    • May alter glycemic control in patients with diabetes.
    • Due to the long half-life of fluoxetine and its metabolites, the effects and interactions noted may persist for prolonged periods following discontinuation. May cause or exacerbate sexual dysfunction.

Ques: What is Fludac 20 MG Capsule?

Ans: Fluoxetine, active constituent of Fludac 20 MG Capsule, is an antidepressant medication. It comes under the class of selective serotonin re−uptake inhibitors (SSRIs).

Ques: What are the uses of Fludac 20 MG Capsule?

Ans: This drug is helpful in treating eating disorders, depression and obsessive-compulsive disorder (OCD).

Ques: Does Fludac 20 MG Capsule cause sleepiness?

Ans: Sleepiness is the most common side effect of this medicine. It can also cause insomnia (inability to sleep) and abnormal dreams in some patients. Talk to your doctor if you have a disturbed sleeping pattern.

Ques: Does Fludac 20 MG Capsule cause weight gain?

Ans: This medication does not cause weight gain, in fact, it may cause weight loss in some individuals. Please consult your doctor if you have these issues during the course of medication.

Ques: Does Fludac 20 MG Capsule make you tired?

Ans: Fludac 20 MG Capsule can make you feel tired. Fatigue (extreme tiredness) is a very common side effect of Fluoxetine. Please consult your doctor if you experience excessive tiredness while taking it as the dose may need to be changed.

Ques: How long can I take Fludac 20 MG Capsule for?

Ans: Please take this medication only in dose and duration as advised by your doctor.

Ques: Does Fludac 20 MG Capsule cause nausea?

Ans: Yes, this drug can cause Nausea. It is one of the most common side effects. If you are encountering excessive nausea, then doctor consultation is suggested.

Ques: Can I take Fludac 20 MG Capsule with paracetamol?

Ans: This medication can be consumed in combination with paracetamol as no severe interactions between then have been reported.

Ques: Can I take Fludac 20 MG Capsule with birth control pills?

Ans: Yes, you can consume this drug while taking birth control pills as no severe interaction between them has been found.

Ques: Is Fludac 20 MG Capsule addictive?

Ans: The drug does not cause addiction as it does not have habit-forming tendencies. You must consult a doctor if you have potential addiction to this drug.

Ques: Is Fludac 20 MG Capsule safe in pregnancy?

Ans: Studies reveal that this medication is not safe to be consumed during pregnancy. This is because this drug is known to harm the fetus.
Disclaimer: The information produced here is best of our knowledge and experience and we have tried our best to make it as accurate and up-to-date as possible, but we would like to request that it should not be treated as a substitute for professional advice, diagnosis or treatment.

Lybrate is a medium to provide our audience with the common information on medicines and does not guarantee its accuracy or exhaustiveness. Even if there is no mention of a warning for any drug or combination, it never means that we are claiming that the drug or combination is safe for consumption without any proper consultation with an expert.

Lybrate does not take responsibility for any aspect of medicines or treatments. If you have any doubts about your medication, we strongly recommend you to see a doctor immediately.

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Content Details
Written By
PhD (Pharmacology) Pursuing, M.Pharma (Pharmacology), B.Pharma - Certificate in Nutrition and Child Care
Reviewed By
MBBS, Master in Healthcare Administration, Diploma in Occupational Health
General Physician
Table of Content
About Fludac 20 MG Capsule
What are the uses of Fludac 20 MG Capsule
What are the contraindications of Fludac 20 MG Capsule ?
What are the side effects of Fludac 20 MG Capsule ?
Key highlights of Fludac 20 MG Capsule
What are the substitutes for Fludac 20 MG Capsule ?
What are the dosage instructions?
How does this medication work?
What are the interactions of Fludac 20 MG Capsule ?
FAQs about Fludac 20 MG Capsule