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fesoterodine

Pronunciation: FES oh TER oh deen

Brand: Toviaz

Toviaz 4 mg

oval, blue, imprinted with FS

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Toviaz 8 mg

oval, blue, imprinted with FT

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What is the most important information I should know about fesoterodine?

Multum donot

You should not take this medication if you are allergic to fesoterodine or tolterodine (Detrol), if you have uncontrolled glaucoma, or if you have a blockage of the urinary tract, stomach, or intestines.

Before you take fesoterodine, tell your doctor if you have glaucoma, urination problems, liver or kidney disease, myasthenia gravis, or severe constipation.

Multum nocrush

Do not crush, chew, or break an extended-release tablet. Swallow it whole. Breaking or opening the pill may cause too much of the drug to be released at one time.

Multum dizzy

Fesoterodine may cause blurred vision or impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert and able to see clearly.

Avoid becoming overheated or dehydrated during exercise and in hot weather. Fesoterodine can decrease perspiration and you may be more prone to heat stroke.

Multum noalcohol

Drinking alcohol can increase certain side effects of fesoterodine.

Multum donot

There are many other drugs that can interact with fesoterodine. Tell your doctor about all medications you use. This includes prescription, over the counter, vitamin, and herbal products. Do not start a new medication without telling your doctor. Keep a list of all your medicines and show it to any healthcare provider who treats you.

What is fesoterodine?

Fesoterodine reduces spasms of the bladder muscles.

Fesoterodine is used to treat overactive bladder with symptoms of urinary frequency, urgency, and incontinence.

Fesoterodine may also be used for purposes not listed in this medication guide.

What should I discuss with my healthcare provider before taking fesoterodine?

Multum donot

You should not use this medication if you are allergic to fesoterodine or tolterodine (Detrol), or if you have:

  • a blockage of the urinary tract (difficulty urinating);
  • a blockage in your stomach or intestines; or
  • untreated or uncontrolled glaucoma.

To make sure you can safely take fesoterodine, tell your doctor if you have any of these other conditions:

  • glaucoma;
  • liver disease;
  • kidney disease;
  • urination problems;
  • myasthenia gravis; or
  • severe constipation.
Multum nopreg

FDA pregnancy category C. It is not known whether fesoterodine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medication.

Multum nobrfeed

It is not known whether fesoterodine passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

Multum nochild

Fesoterodine is not for use in children.

Adults who are 75 years or older may be more likely to have side effects from this medication.

How should I take fesoterodine?

Take exactly as prescribed by your doctor. Do not take in larger or smaller amounts or for longer than recommended. Follow the directions on your prescription label.

Multum water

Take this medication with water.

Multum nocrush

Do not crush, chew, or break an extended-release tablet. Swallow it whole. Breaking or opening the pill may cause too much of the drug to be released at one time.

Multum rt

Store at room temperature away from moisture and heat.

What happens if I miss a dose?

Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.

What happens if I overdose?

Multum emt

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

Overdose symptoms may include dry mouth, blurred vision, and fast heartbeat.

What should I avoid while taking fesoterodine?

Multum dizzy

Fesoterodine may cause blurred vision or impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert and able to see clearly.

Avoid becoming overheated or dehydrated during exercise and in hot weather. Fesoterodine can decrease perspiration and you may be more prone to heat stroke.

Multum noalcohol

Drinking alcohol can increase certain side effects of fesoterodine.

What are the possible side effects of fesoterodine?

Multum emt

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Multum donot

Stop using fesoterodine and call your doctor at once if you have a serious side effect such as:

  • chest pain, fast or uneven heart rate;
  • swelling of your hands or feet;
  • urinating less than usual or not at all; or
  • painful or difficult urination.

Less serious side effects may include:

  • dry mouth, dry eyes;
  • blurred vision;
  • dizziness, drowsiness;
  • constipation;
  • stomach pain or upset;
  • cough, dry throat;
  • back pain; or
  • sleep problems (insomnia).

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What other drugs will affect fesoterodine?

Many drugs can interact with fesoterodine. Below is just a partial list. Tell your doctor if you are using:

  • arsenic trioxide (Trisenox);
  • conivaptan (Vaprisol);
  • an antibiotic such as clarithromycin (Biaxin), levofloxacin (Levaquin), moxifloxacin (Avelox), pentamidine (NebuPent, Pentam), or telithromycin (Ketek);
  • antifungal medication such as itraconazole (Sporanox), ketoconazole (Nizoral), posaconazole (Noxafil), or voriconazole (Vfend);
  • an antidepressant such as amitriptylline (Elavil, Vanatrip, Limbitrol), clomipramine (Anafranil), desipramine (Norpramin), nefazodone, paroxetine (Paxil), or sertraline (Zoloft);
  • anti-malaria medications such as chloroquine (Aralen) or mefloquine (Lariam);
  • heart rhythm medicine such as amiodarone (Cordarone, Pacerone), dofetilide (Tikosyn), disopyramide (Norpace), ibutilide (Corvert), procainamide (Procan, Pronestyl), propafenone (Rythmol), quinidine (Quin-G), or sotalol (Betapace);
  • the hepatitis C medications boceprevir (Victrelis) or telaprevir (Incivek);
  • HIV/AIDS medicine such as atazanavir (Reyataz), delavirdine (Rescriptor), indinavir (Crixivan), nelfinavir (Viracept), saquinavir (Invirase, Fortovase), or ritonavir (Norvir, Kaletra);
  • medicine to prevent or treat nausea and vomiting, such as dolasetron (Anzemet), droperidol (Inapsine), or ondansetron (Zofran);
  • medicines to treat psychiatric disorders, such as chlorpromazine (Thorazine), clozapine (FazaClo, Clozaril), haloperidol (Haldol), pimozide (Orap), thioridazine (Mellaril), or ziprasidone (Geodon);
  • migraine headache medicine such as sumatriptan (Imitrex, Treximet) or zolmitriptan (Zomig); or
  • narcotic medication such as methadone (Methadose, Diskets, Dolophine).
Multum donot

This list is not complete and there are many other medicines that can interact with fesoterodine. Tell your doctor about all medications you use. This includes prescription, over the counter, vitamin, and herbal products. Do not start a new medication without telling your doctor. Keep a list of all your medicines and show it to any healthcare provider who treats you.

Where can I get more information?

Your pharmacist can provide more information about fesoterodine.


Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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