Fesobig 8 Tablet 10

Msn Laboratories Ltd

Strip of 10 Units

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Old MRP ₹326.5

MRP ~~₹306.09~~

₹244.87

₹30.61/Units

20% off

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Prescription required for this medicine

Store Below 30^o C

Composition

Fesoterodine Fumarate (8 Mg)

Strength:

8 MG 4 MG

FesoBig 8 Tablet is primarily prescribed to manage overactive bladder symptoms. This medication belongs to a class of medicines known as antimuscarinics.

Apart from the main application, this medicine is also used to control neurogenic detrusor overactivity, a bladder control issue caused by neurological conditions like spinal cord injury or multiple sclerosis. By easing the tension in the bladder muscles, this medicine enhances the ability to control urination and reduces instances of leakage, urgency, and frequent urination.

You should take this medicine orally as recommended by your doctor. Inform your doctor about any pre-existing medical conditions or ongoing medications before starting this medicine. Also, notify your doctor if you experience any side effects while on this medicine. Continue taking this medicine for the period prescribed by your doctor for the best results.

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FesoBig 8 Tablet is used for the following:

Managing symptoms of overactive bladder
Reducing urinary urgency, which is a sudden, compelling urge to urinate that is difficult to control
Decreasing urinary frequency, meaning you're urinating more often than usual
Controlling urge incontinence, which involves accidental leakage of urine due to a strong urge
Assisting with neurogenic detrusor overactivity, a bladder control disorder caused by neurological conditions like spinal cord injury or multiple sclerosis

Here are some instructions you should follow when taking FesoBig 8 Tablet:

Swallow the tablet whole with a glass of water.
Do not chew, divide, or crush the tablet as it can affect the extended-release properties of the medication.
It's important not to stop taking this medicine without consulting your doctor first.

FesoBig 8 Tablet is taken orally.

FesoBig 8 Tablet may have the following side effects:

Dry mouth
Constipation
Urinary tract infection
Dry eyes: This refers to a condition where your eyes don't produce enough tears for adequate lubrication.
Dizziness
Insomnia
Dyspepsia: This could mean you experience discomfort or pain in the upper part of your stomach.

Managing the Side Effects:

Most side effects are temporary and generally harmless, which resolve on discontinuing the use of FesoBig 8 Tablet. However, if you experience any serious side effects or worsening of any of the symptoms, please consult your doctor.

Here are some general guidelines for managing common side effects:

Dry mouth: Try drinking water regularly throughout the day.
Dyspepsia: Consider taking FesoBig 8 Tablet after meals to lessen this effect.

FesoBig 8 Tablet contains fesoterodine fumarate (8mg) which works on your body in the following ways:

Blocks Acetylcholine: Fesoterodine fumarate works by inhibiting the action of acetylcholine, a neurotransmitter that triggers the contractions in the bladder muscles.
Improves Bladder Control: By blocking the contractions caused by acetylcholine, fesoterodine fumarate allows the bladder to fill more completely and reduces the frequency and intensity of involuntary bladder contractions. This helps to improve bladder control and reduce symptoms of overactive bladder and neurogenic detrusor overactivity.

Pregnancy

Caution is advised while taking FesoBig 8 Tablet if you are pregnant. It is best to consult your doctor before taking this medicine.

Breastfeeding

It's advisable to discuss this with your doctor before starting this medicine while breastfeeding.

Alcohol

It is recommended to consult your doctor about consuming alcohol while taking this medicine.

Liver

FesoBig 8 Tablet should be used cautiously if you have liver impairment. Dose reduction is recommended for moderate liver impairment, and it's not recommended for severe liver diseases. Discuss your liver health with your doctor before starting this medication.

Kidney

Caution is needed when taking FesoBig 8 Tablet if you have severe renal impairment or end-stage renal disease. Always consult your doctor about any kidney health issues before starting this medicine.

Using Machines & Driving

There's no specific information about whether FesoBig 8 Tablet affects your ability to drive or operate machinery. However, since dizziness is a possible side effect, it's best to be cautious until you know how the medicine affects you.

Allergy

FesoBig 8 Tablet should not be taken if you have known hypersensitivity to fesoterodine or tolterodine. If you experience any allergic reactions, seek immediate medical attention.

Children

Safety and effectiveness of FesoBig 8 Tablet in children below 6 years of age have not been established. Therefore, caution is advised when giving this medicine to children under the age of 18 years. Always consult your doctor before giving any medicine to a child.

Older Patients

No dose adjustment is necessary based on age for FesoBig 8 Tablet. However, older patients may be more sensitive to antimuscarinic effects, so caution is advised. Your doctor will guide you based on your health status.

Drug-Drug Interactions

FesoBig 8 Tablet interacts with the following medicines:

Antifungals: Medicines such as ketoconazole and itraconazole can increase the concentration of FesoBig 8 Tablet in your body, leading to possible side effects.
Antidepressants: Medicines like fluoxetine and paroxetine may interact with FesoBig 8 Tablet, potentially changing the way the medicine works in your body.

Drug-Food Interactions

No specific food interaction has been established with FesoBig 8 Tablet.

Drug-Disease Interactions

FesoBig 8 Tablet interacts with the following diseases:

Urinary Retention: If you have difficulty in passing urine, using FesoBig 8 Tablet could worsen your condition.
Gastric Retention: Those with gastric retention should be cautious while using this medicine as it may exacerbate their symptoms.
Uncontrolled Narrow-Angle Glaucoma: People with uncontrolled narrow-angle glaucoma should avoid using this medicine as it may lead to worsening of their condition.
Hepatic Impairment: FesoBig 8 Tablet should be used with caution if you have a liver disease as it may affect the effectiveness of this medication.
Renal Impairment: Those with kidney disease need to be careful when using this medicine since it may affect how the medicine works.

Daily Dose

The daily dose of FesoBig 8 Tablet should be taken as prescribed by your doctor. The dosage may vary according to individual factors like the severity of your condition and your reaction to the medicine. Following the prescribed dosage is crucial, and you should never exceed it without consulting your doctor. For further details regarding dosage, refer to the package insert.

Over Dose

If you accidentally take more than your prescribed dose of FesoBig 8 Tablet, you may experience symptoms like dry mouth or constipation. It's important not to panic but consult your doctor if these symptoms persist or worsen.

Missed Dose

In case you forget to take your regular dose of FesoBig 8 Tablet, take it as soon as you remember. However, if it's nearly time for your next dose, skip the one you missed and continue with your usual schedule. Never increase your dosage without consulting your doctor.

Store FesoBig 8 Tablet in a dry place, ideally at room temperature below 25°C.
Keep away from excessive heat, light, and moisture.
Always keep this medicine out of the reach of children.
Check the pack for the expiry date and ensure you use it before that date.

For managing overactive bladder symptoms, reduce your intake of caffeine, alcohol and spicy foods which can irritate your bladder.
Regular bladder training exercises, such as pelvic floor exercises (Kegels), can significantly help in improving bladder control.

Fact Box

Available Dosage Types	Tablet
Habit Forming	No
Ailment	Overactive Bladder, Neurogenic Detrusor Overactivity
Drug Category	Antimuscarinic Agent
Therapeutic Category	Overactive Bladder

What is FesoBig 8 Tablet used for?

FesoBig 8 Tablet is used to manage symptoms of overactive bladder and neurogenic detrusor overactivity, which include urgency, frequency, and incontinence.

How does FesoBig 8 Tablet work?

FesoBig 8 Tablet contains an antimuscarinic agent that relaxes the bladder muscles by blocking a neurotransmitter, which improves urinary control.

Can I take FesoBig 8 Tablet with food?

You must take the medicine as directed by your doctor.

What should I do if I miss a dose of FesoBig 8 Tablet?.>

If you miss a dose, take it as soon as you remember. If it's nearly time for your next dose, skip the missed one and continue your usual schedule.

Can I chew or crush the FesoBig 8 Tablet?

No, FesoBig 8 Tablets should not be chewed, divided, or crushed. They are designed to be swallowed whole to maintain their extended-release properties.

How long does it take for FesoBig 8 Tablet to start working?

The onset of effect may be noticed within two weeks but full therapeutic benefit may not be observed until after eight weeks of use.

What should I do if I experience side effects from FesoBig 8 Tablet?

If you experience side effects from FesoBig 8 Tablet, especially severe allergic reactions or difficulty breathing, seek immediate medical attention and consult your doctor.

Last Updated On 13 May. 2025 | 11:04AM (IST)

Certified Content

Written by

Dr Nikita Lobo

Medical Content Reviewer | 8 years

BDS, MDS

Reviewed by

Dr. Chhavi Rosha

Medical Content Writer | 9 years

BAMS, FMC, MD Resident

Check out Editorial Policy

Manufacturer details

MSN House, Plot No: C-24, Industrial Estate, Sanathnagar, Hyderabad, Telangana 500018

Country of origin: INDIA

Expiry on or after: May 2026

In case of any issues, contact us:

support@truemeds.in|09240250346

Address: 6th floor, Urmi Corporate Park Solaris, Saki Vihar Road, Andheri East, Mumbai 400071

References

DailyMed - FESOTERODINE FUMARATE tablet, film coated, extended release. (2022). Nih.gov. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=26e8cc63-1e1d-4a77-8f53-4c38bcf0d443
TOVIAZTM. (n.d.). https://www.accessdata.fda.gov/drugsatfda_docs/label/2008/022030lbl.pdf
Fesoterodine: Uses, Interactions, Mechanism of Action | DrugBank Online. (2016). Drugbank.com; DrugBank. https://go.drugbank.com/drugs/DB06702
PubChem. (2024). Fesoterodine. Nih.gov; PubChem. https://pubchem.ncbi.nlm.nih.gov/compound/Fesoterodine
PubChem. (2024). Fesoterodine Fumarate. Nih.gov; PubChem. https://pubchem.ncbi.nlm.nih.gov/compound/Fesoterodine-Fumarate

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We, at Truemeds make a diligent attempt to deliver accurate, expert- drafted and thoroughly reviewed medicine related information to our consumers. However, it should, by no means, be considered a substitute for prescription from a certified doctor or a trustworthy doctor-patient relationship. In fact we detest any form of self medication without expert advice. The sole purpose of the information on our portal is to educate our consumers, which helps improve the communication between a doctor and a patient. The information by no means is complete in its entirety and should not be used to diagnose or treat any medical condition. No amount of information can replace the experience and expertise of a doctor, therefore his/her advice always holds priority and should be followed appropriately.

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