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Fesobig 4 Tablet

Prescription Required

Salt Composition : Fesoterodine Fumarate


Origin of Medicine : India

MRP: 170
Price :153
You Save :17 (10%)

10 Tablet(s) In A Strip

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Introduction to Fesobig 4 Tablet

Fesobig 4gm tablet is an antimuscarinic agent that contains an active ingredient called Fesoterodine fumarate. This medicine treats symptoms associated with an overactive bladder, such as urgency incontinence (inability to control bladder emptying), sudden urination urges, and increased urinary frequency. This medicine is not advised to use in children under 18 years old. Notify your doctor if you are intolerant to lactose and fructose.

Fesobig 4gm tablet should not be taken if you have allergies to Fesoterodine or Fructose, inability to empty your bladder (urinary retention), slow stomach emptying (gastric retention), narrow-angle glaucoma, excessive muscle weakness, severe ulcerative colitis, abnormally large colon. It is not advised to consume this medicine if you are taking specific medications for HIV, depression, and fungal or bacterial infections. Don't consume this medicine if you are pregnant or planning to get pregnant or breastfeeding. 

Before taking Fesobig 4gm tablet, it is important to consult with your doctor if you have difficulty emptying your bladder, decreased bowel movements or severe constipation, narrow-angle glaucoma, serious kidney or liver problems, autonomic neuropathy, a gastrointestinal disease affecting food passage or digestion, heartburn, belching, or urinary tract infection. Your doctor may adjust your dose or prescribe additional medications based on your situation. Before taking Fesobig 4gm tablet, Notify your doctor if you have any heart conditions such as abnormal ECG (QT prolongation) or taking medications that may cause it, slow heart rate (bradycardia), myocardial ischemia, irregular heartbeat, heart failure, hypokalemia (low potassium levels in the blood).

Uses of Fesobig 4 Tablet

  • Treatment of overactive bladder (OAB) symptoms.
  • Helps to control uncontrollable bladder emptying (urgency incontinence).
  • Reduces sudden urges to urinate.
  • Reduces frequent urination.

Therapeutic Effects of Fesobig 4 Tablet

Fesobig 4gm tablet belongs to a group of medications known as antimuscarinics. Its mechanism of action involves relaxing the bladder muscles to prevent involuntary and frequent urination. This helps alleviate symptoms of urgency, frequency, and uncontrolled urination.

Interaction of Fesobig 4 Tablet with other drugs

Inform your doctor about any prescribed medications, over-the-counter medicines, nutritional or vitamin supplements, and herbal products you take or have taken before the treatment. Certain medications may interact with Fesobig 4gm tablet and can cause undesirable side effects.

More Information about Fesobig 4 Tablet

  • Keep out of sight and reach of pets and children.
  • Do not freeze the medicine.
  • Do not store above 25°C.
  • Always check the expiry date before consuming it.

How to consume Fesobig 4 Tablet

Take the Fesobig 4gm tablet as your physician advises. Usually, the tablets will be taken with or without food. Do not crush, chew, or open the medicine. Your physician will decide the correct dosage and duration based on age, body weight, and disease condition. Only stop taking the tablet if your doctor advises you to stop.

Safety Advices for Fesobig 4 Tablet

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Fesobig 4gm tablet is unsafe during pregnancy as it may harm the developing baby. Before starting the treatment, inform your doctor if you are pregnant or planning to get pregnant.

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Breast Feeding


Using this medicine during breastfeeding is unsafe because it is unknown whether Fesobig 4gm tablet is excreted into human milk. Consult your doctor for advice.  

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It is unknown whether Fesobig 4gm tablet is safe for patients with lung problems. Notify your physician if you have any lung disease before starting the treatment. Contact your doctor if you experience any lung-related symptoms.

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Fesobig 4gm tablet is used with caution in patients with liver impairment. Inform your physician about the pre-existing live conditions. Your physician will monitor your liver functions and adjust the dose accordingly.

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It is not known whether it is safe to drink alcohol while taking Fesobig 4gm tablet. Check with your doctor for advice.

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After taking Fesobig 4gm tablet, you may blurred vision, dizziness, and sleepiness. Do not use any tools or drive during treatment with the medicine.

Side Effects of Fesobig 4 Tablet

Side effects are unwanted symptoms caused by medicines. Even though all medicines cause side effects, not everyone gets them.


  • Angioedema ( swelling of the face, mouth, or throat)


  • Difficulty in sleeping
  • Dry eyes, throat
  • Dizziness
  • Dysuria (painful or difficult urination)
  • Constipation
  • Drowsiness
  • Nausea

Word of Advice

Liver, heart, and kidney patients should take Fesobig 4gm tablet cautiously and inform their doctor about all the underlying medical conditions. Do not stop the medicine until your doctor advises. Do not double-dose the medicine to make up for a forgotten dose. Do not breastfeed while taking this medicine unless your doctor advises. Notify your doctor if you experience any serious side effects. Your medical professional will inform you if you need any dose adjustments. Contact your doctor for more information.


Q 1. What is Fesobig 4gm tablet used for?

Fesobig 4gm tablet treats overactive bladder symptoms like urgency, frequency, and urge incontinence by relaxing bladder muscles for better control of urination.

Q 2. How to manage the side effects of Fesobig 4gm tablet?

To manage the side effects of Fesobig 4gm tablet, follow your doctor's instructions, stay hydrated, and monitor any changes. Report severe side effects to your doctor and inform them about other medications or conditions. Maintain a healthy lifestyle and consult your doctor for personalized guidance.

Q 3. Can you take Fesobig 4gm tablet when pregnant?

It is unsafe to consume this medicine while pregnant. Consult your medical professional regarding the use of Fesobig 4gm tablet during pregnancy. The potential benefits and risks should be carefully assessed. Your doctor will suggest taking this medicine only if it's necessary.

Q 4. What are the side effects of Fesobig 4gm tablet?

Common side effects of Fesobig 4gm tablet include difficulty sleeping, dry eyes, throat, dizziness, dysuria (painful or difficult urination), constipation, drowsiness, nausea, and headache. It is mandatory to consult your doctor for any concerns or persistent side effects.

Q 5. What should I do if I miss a dose of Fesobig 4gm tablet?

If you miss a capsule dose, take it as soon as possible. However, if it's close to the time for your next dose, skip the missed dose and continue with your regular schedule. Do not double the dose of the Fesobig 4gm tablet.

Fact Box of Fesobig 4 Tablet

Molecule Name: Fesoterodine fumarateTherapeutic class: Urology

Pharmacological class:  Antimuscarinic agent 



1. Treatment of overactive bladder (OAB) symptoms.

2. Helps control uncontrollable bladder emptying (urgency incontinence).

3. Reduces sudden urges to urinate. 

4. Reduces frequent urination.


  1. Laboratorios Normon, S.A., Electronic Medicines Compendium (EMC), [Revised on February 2022] [Accessed on 5th June 2023], *Microsoft Word - PL-Fesoterodine-clean (
  2. Pfizer, US Food and Drug Administration; [Revised on April 2008] [Accessed on 5th June 2023], label ( 


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