Fesoterodine is used to treat overactive bladder (bladder function disorder that causes a sudden or frequent urge to urinate).
This medicine calms and relaxes the bladder. It reduces the number of toilet visits and the urge to urinate.
Take Fesoterodine exactly as directed by your doctor or according to the instructions on the label. Do not take more or less than instructed by your doctor.
You may take this medicine with or without food. Try to take it at the same time each day.
If you are taking the extended-release or prolonged-release type of tablet (usually labeled as “ER”), swallow it whole. Do not divide, chew or crush the tablet.
The dose of Fesoterodine will be decided by your doctor. Your doctor will advise you on the treatment timeframe depending on the type and severity of your condition.
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and return to your normal dosing schedule.
DO NOT double a dose under any circumstances.
If you often forget to take your medicine, let your doctor and pharmacist know.
Alert your doctor if you have the following conditions:
- urinary retention (inability to pass urine)
- gastric retention (stomach empties slowly)
- uncontrolled narrow-angle glaucoma (high pressure in the eye)
- myasthenia gravis (a muscle weakness disorder)
- severe ulcerative colitis (inflammation of the large intestines)
- toxic megacolon (large or distended colon)
- severe liver disease
as Fesoterodine may not be suitable for you.
Do not take Fesoterodine if you have kidney or liver disease and are taking medicines used to treat fungal infections (e.g. ketoconazole, itraconazole) and certain antibiotics (e.g. clarithromycin).
Inform your doctor if you have the following conditions:
- enlargement of prostate gland
- severe constipation
- stomach disease that affects passage or digestion of food
- heartburn or reflux disease
- urinary tract infection
- autonomic neuropathy (nerve disorder)
Let your doctor know if you are pregnant or breastfeeding.
Fesoterodine may cause dizziness, somnolence, or blurred vision. If affected, do not drive or take part in any activity in which you need to be alert or need to see clearly.
Other side effects may include any of the following: dry mouth, dry eyes, dry throat, constipation, headache, nausea, diarrhoea and indigestion.
Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.
Some side effects may need immediate medical help. Alert your doctor quickly if you experience swelling in the face, lips, tongue, or throat as these may be signs of an allergic reactions.
Inform your doctor and pharmacist if you are taking any of these medicines:
- amantadine (medicine to treat Parkinson’s disease)
- medicine to treat depression e.g. nefazodone
- metoclopramide (medicine for nausea and vomiting)
- antibiotics e.g. telithromycin
- medicine for epilepsy (fits or seizures) e.g. carbamazepine, phenobarbital
- medicine to treat TB (infection known as tuberculosis) e.g. rifampicin
- St. John’s wort (herbal medicine)
This list does not include all medicines that may interact with Fesoterodine.
Always notify your doctor and pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicines, supplements and medicines that you buy without a prescription.
Avoid alcohol and excessive consumption of grapefruit or grapefruit juice (more than 1 litre a day).
Store in a cool, dry place away from the reach of children.
Medicines must not be used past the expiry date.
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