• Basic Info
• Top Questions
• Clinical Info
• Interactions

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

Do not take this medicine if you are allergic to trospium, or if you have untreated or uncontrolled narrow-angle glaucoma, a blockage in your digestive system, or if you are unable to urinate. Take trospium on an empty stomach, at least 1 hour before a meal. Trospium can cause side effects that may impair your vision, thinking, or reactions. Be careful if you drive or do anything that requires you to be awake and able to see clearly.

Avoid using other medicines that make you sleepy (especially cold or allergy medicine, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures or anxiety). They can add to the side effects of trospium. Tell your doctor if you regularly use any of these medicines.

Avoid drinking alcohol. It can increase drowsiness caused by trospium.

Avoid becoming overheated or dehydrated during exercise and in hot weather. Trospium can decrease sweating, which makes it easier for you to have heat stroke. Drink plenty of fluids while you are taking this medication.

There may be other drugs not listed that can interact with trospium. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.

What is trospium?

Trospium relieves spasms of the bladder.

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

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

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

Do not take this medicine if you are allergic to trospium, or if you have

• untreated or uncontrolled narrow-angle glaucoma;

• a blockage in your digestive system; or

• if you are unable to urinate.

Before taking trospium, tell your doctor if you are allergic to any drugs, or if you have:

• glaucoma;

• liver disease;
• kidney disease;

• a stomach or intestinal disorder such as ulcerative colitis;

• a muscle disorder such as myasthenia gravis; or

• an enlarged prostate.

If you have any of these conditions, you may need a dose adjustment or special tests to safely take this medication.

FDA pregnancy category C. This medication may be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment. It is not known whether trospium 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.

Older adults may be more likely to have side effects from this medicine.

How should I take trospium?

Take this medication exactly as it was prescribed for you. Do not take the medication in larger amounts, or take it for longer than recommended by your doctor. Follow the directions on your prescription label.

Take this medicine with a full glass of water. Drink extra fluids while you are taking trospium. Take trospium on an empty stomach, at least 1 hour before a meal. Store trospium at room temperature away from moisture and heat.

What happens if I miss a dose?

Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at your next regularly scheduled time. Do not take extra medicine to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention if you think you have used too much of this medicine.

Overdose symptoms may include dry mouth, drowsiness, blurred vision, and dilated pupils.