Trospium - oral

Patient Medicine Information
Why do I need this medicine?
Trospium is used to treat symptoms of overactive bladder. It helps control the urge to urinate.
How do I take this medicine?
Take Trospium 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.

Take this medicine on an empty stomach, at least 1 hour before a meal. Try to take it at the same time each day.

Trospium is available as a tablet and a prolonged-release capsule.

If you are taking the tablet, swallow it whole with a glass of water. Do not divide, chew or crush the tablet.

If you are taking the delayed-release, prolonged-release, sustained-release or extended-release type of capsule, swallow it whole with a glass of water. Do not break or chew the capsule.

Trospium must be taken regularly for it to be effective. Continue taking this medicine even when you feel better/well. Do not stop taking it unless instructed by the doctor.
What should I do if I have forgotten to take this medicine?
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.
When should I not use this medicine?
Alert your doctor if you have the following conditions:
  • difficulty in passing urine
  • accumulation of stomach contents without emptying due to obstruction or stomach ulcer
  • uncontrolled narrow-angle glaucoma (increased pressure in the eyes)
as Trospium may not be suitable for you.
What should I take note of while taking this medicine?
Inform your doctor if you have the following conditions:
  • stomach problems e.g.bowel obstruction, inflammation of the bowels, constipation
  • bladder obstruction e.g. enlarged prostate
  • thyroid problems e.g. overactive thyroid
  • heart problems e.g. irregular heartbeat
  • kidney disease
  • liver disease
  • myasthenia gravis (muscle weakness disorder)
Let your doctor know if you are pregnant or breastfeeding.

As Trospium may reduce sweating, you may develop fever or heat stroke in hot weather, or when participating in activities such as exercising, taking hot baths or using saunas. Discuss with your doctor if you frequently need to participate in such activities or you are required to work in a hot environment.

Be sure to check with your doctor or pharmacist before giving Trospium to a child or elderly person. Children and elderly people may be more sensitive to the side effects.

Keep your appointments with your doctor. Your doctor needs to monitor your condition and check your response to the medication regularly.
What side effects could I experience?
Trospium may cause drowsiness, dizziness 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: headache, dry mouth, constipation, stomach pain, indigestion, tiredness, dry eyes, dry nose, and cold.

Some side effects may need immediate medical help. Alert your doctor quickly if you experience any of the following:
  • difficulty in breathing
  • rashes with swelling of the face, lips, throat or tongue
  • signs and symptoms of urinary tract infection e.g. burning sensation when urinating, cloudy or strange-smelling urine
Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.
Can I take this with other medicines?
Inform your doctor and pharmacist if you are taking any of these medicines:
  • medicines to treat mood disorders e.g. amitriptyline, imipramine
  • medicines to treat Parkinson’s disease (a brain disease that affects movement) e.g. amantadine
  • medicines for asthma e.g. salbutamol -medicines for nausea and vomiting e.g. metoclopramide
  • medicines used for diabetes (e.g. guar gum)
  • medicines to reduce cholesterol e.g. cholestyramine or colestipol
This list does not include all medicines that may interact with Trospium.

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.
What special dietary instructions should I follow?
Avoid alcohol.
How should I store this medicine?
Store in a cool, dry place away from the reach of children.

Medicines must not be used past the expiry date.
This information is independently developed by MIMS based on trospium - oral and is provided for your reference only. It is not a replacement for and should only be used in conjunction with full consultation with a licensed healthcare professional, the information provided by your pharmacist and/or the manufacturer of the medication. It may not contain all the available information you require and cannot substitute professional medical care, nor does it take into account all individual circumstances. Although great effort has been made to ensure content accuracy, we shall not be held responsible or liable for any claims or damages arising from the use or misuse of the information contained herein, its contents or omissions, or otherwise. Copyright © 2020 MIMS. All rights reserved. Powered by
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