Trospium Chloride: Uses, Dosage, and Side Effects Explained

Summary of Key Points

Trospium, also known as Trospium chloride, is a prescription medication used to manage symptoms of overactive bladder, such as urinary incontinence, urgency, and frequent urination. This anticholinergic drug works by relaxing the muscles of the bladder, helping to alleviate these symptoms. Trospium is available in various forms and strengths, and it’s crucial to follow your healthcare provider’s dosing instructions carefully. Common side effects include dry mouth and constipation. Always consult your doctor before making any changes to your treatment plan.

Names of Medication

US Brand Name: Sanctura (Trospium)

The generic name refers to the active ingredient, while the brand name is assigned by the manufacturer. In this case, Trospium is the generic name, and Sanctura is the brand name.

Pharmacologic Category

Anticholinergic Agent

Urinary Antispasmodic

Trospium Dosage for Overactive Bladder and Other Conditions

Trospium is commonly prescribed for various bladder-related conditions in adults. Below are the recommended doses for each condition. Always consult your healthcare provider before adjusting your dose. If you need to speak with a doctor, you can schedule a telemedicine appointment with one of our providers.

1. Overactive Bladder (OAB): 20 mg taken twice daily. The duration of treatment depends on your response and should be determined by your doctor.
2. Urinary Incontinence: 20 mg taken twice daily. Continue treatment as prescribed by your healthcare provider.
3. Bladder Dysfunction: 20 mg twice daily. The length of treatment depends on the severity of symptoms and your doctor’s recommendation.
4. Neurogenic Bladder: 20 mg twice daily. The duration of treatment should be discussed with your healthcare provider.
5. Detrusor Overactivity: 20 mg twice daily. Consult your doctor for guidance on how long to continue treatment.
6. Urge Incontinence: 20 mg twice daily. Follow your doctor’s instructions regarding the duration of treatment.
7. Urinary Urgency: 20 mg twice daily. Your healthcare provider will determine how long you should continue treatment.
8. Nocturia: 20 mg twice daily. The duration of treatment should be discussed with your healthcare provider.
9. Urinary Retention: 20 mg twice daily. Consult your doctor for the appropriate treatment duration.
10. Bladder Hyperactivity: 20 mg twice daily. Follow your healthcare provider’s advice on how long to continue treatment.

Dosage Forms and Strengths of Trospium

Tablets: 20 mg

Extended-Release Capsules: 60 mg

Administration Instructions for Trospium

Trospium should be taken on an empty stomach, at least one hour before meals or two hours after eating. Swallow the tablet or capsule whole with a full glass of water. Do not crush, chew, or break the extended-release capsules. If you miss a dose, take it as soon as you remember, unless it’s almost time for your next dose. In that case, skip the missed dose and resume your regular schedule. Do not take two doses at once.

Trospium Side Effects and Adverse Reactions

Like all medications, Trospium can cause side effects. It’s important to be aware of these and to contact your healthcare provider if you experience any severe or persistent symptoms.

Common Side Effects of Trospium

These side effects occur in more than 1 in 10 people:

1. Dry Mouth: A frequent side effect where your mouth feels unusually dry.
2. Constipation: Difficulty passing stools or infrequent bowel movements.

Less Common Side Effects

These side effects occur in 1 in 100 to 1 in 1,000 people:

1. Headache: Pain or discomfort in the head, often described as throbbing or pressure.
2. Dizziness: A sensation of lightheadedness or unsteadiness.
3. Blurred Vision: Difficulty seeing clearly, which may affect your ability to drive or operate machinery.

Rare Side Effects

These side effects occur in less than 1 in 1,000 people:

1. Urinary Retention: Difficulty emptying the bladder, which may require medical attention.
2. Allergic Reactions: Symptoms such as rash, itching, swelling, or difficulty breathing. Seek immediate medical help if you experience these symptoms.

Contraindications for Trospium Use

A contraindication is a specific situation or condition where a medication should not be used because it may cause harm to the patient. If you have any of the following conditions, Trospium may not be safe for you to take. Always discuss your medical history with your healthcare provider before starting a new medication.

1. Urinary Retention: Trospium works by relaxing the bladder muscles, which can make it harder to empty your bladder. If you already have trouble urinating (urinary retention), Trospium could worsen this condition.
2. Gastrointestinal Obstruction: Trospium can slow down the movement of food through your digestive system. If you have a blockage in your stomach or intestines, taking Trospium could worsen the obstruction and lead to serious complications.
3. Uncontrolled Narrow-Angle Glaucoma: Trospium can increase pressure in the eyes, which is dangerous for people with narrow-angle glaucoma. If you have this condition, Trospium may worsen your symptoms or lead to vision problems.
4. Severe Kidney Disease: Trospium is eliminated from the body through the kidneys. If your kidneys are not functioning well, the drug may build up in your system, increasing the risk of side effects.
5. Allergy to Trospium: If you have had an allergic reaction to Trospium or any of its ingredients in the past, you should not take this medication.

Drug to Drug Interactions

Trospium may interact with other medications, potentially increasing the risk of side effects or reducing the effectiveness of either drug. It’s important to inform your healthcare provider about all the medications you are currently taking, including over-the-counter drugs and supplements. Below are some medications that may interact with Trospium chloride:

1. Digoxin (Lanoxin): Trospium may elevate digoxin levels in your blood, which could lead to digoxin toxicity.
2. Metformin (Glucophage): Trospium may decrease the absorption of metformin, possibly reducing its effectiveness in managing blood sugar levels.
3. Anticholinergic Medications: Drugs with anticholinergic properties, such as diphenhydramine (Benadryl) or oxybutynin (Ditropan), may increase the likelihood of side effects like dry mouth, constipation, or confusion when taken with Trospium.
4. Levodopa/Carbidopa (Sinemet): Trospium may reduce the effectiveness of medications used to treat Parkinson’s disease, such as levodopa/carbidopa.

Trospium in Pregnancy

Is it safe to take Trospium during pregnancy? The safety of Trospium chloride during pregnancy has not been well studied. It is classified as a Category C drug by the FDA, meaning that while there are no adequate studies in pregnant women, animal studies have shown some risk to the fetus. If you are pregnant or planning to become pregnant, it’s essential to discuss the potential risks and benefits of taking Trospium with your healthcare provider. They may suggest alternative treatments or closely monitor your condition.

Trospium while Breastfeeding

Is it safe to take Trospium while breastfeeding? It is currently unknown whether Trospium passes into breast milk. Due to the potential for serious side effects in a nursing infant, it is generally recommended to either avoid breastfeeding while taking Trospium or explore alternative medications with your healthcare provider. If you are breastfeeding, consult with one of our telemedicine providers to determine the best course of action for both you and your baby.

Estimated Cost of Trospium

The cost of a 30-day supply of Trospium without insurance can vary depending on the pharmacy and location. With a GoodRX coupon, the price typically ranges from $20 to $40 for a 30-day supply of the generic version of Trospium chloride. For the most accurate pricing, check with your local pharmacy.

Possible Alternatives to Trospium

If Trospium is not the right medication for you, there are other treatment options available for the conditions it treats. Below are some alternatives to discuss with your healthcare provider:

1. Overactive Bladder Treatment: Medications like oxybutynin (Ditropan) or solifenacin (Vesicare) may be helpful. Additionally, lifestyle changes such as bladder training exercises, reducing caffeine intake, and scheduling bathroom trips can also provide relief.
2. Urinary Incontinence: Pelvic floor exercises (Kegels) and physical therapy can strengthen the muscles that control urination. Medications like mirabegron (Myrbetriq) may also be considered.
3. Bladder Dysfunction: Depending on the underlying cause, treatment may include behavioral therapies, medications like tolterodine (Detrol), or surgical interventions.
4. Neurogenic Bladder: This condition may require a combination of medications, catheterization, or surgery. Medications like bethanechol (Urecholine) may help improve bladder function.
5. Detrusor Overactivity: Botulinum toxin (Botox) injections into the bladder muscle may help reduce overactivity. Other options include medications like fesoterodine (Toviaz).
6. Urge Incontinence: Behavioral therapies, bladder retraining, and medications like tolterodine (Detrol) or mirabegron (Myrbetriq) may be effective.
7. Urinary Urgency: Reducing fluid intake before bed, avoiding bladder irritants like caffeine, and using medications like solifenacin (Vesicare) may help manage symptoms.
8. Nocturia: Limiting fluid intake in the evening, avoiding alcohol and caffeine, and medications like desmopressin (Noctiva) may help reduce nighttime urination.
9. Urinary Retention: Depending on the cause, treatment may include medications like tamsulosin (Flomax) or catheterization to help empty the bladder.
10. Bladder Hyperactivity: Medications like mirabegron (Myrbetriq) or anticholinergic drugs may help. Bladder training and pelvic floor exercises can also be effective.

Before making any changes to your treatment plan, consult with your healthcare provider. If you would like to explore these alternatives, schedule a telemedicine appointment with one of our providers today.

Recent Updates on Trospium Research

Recent research on Trospium has focused on its long-term effectiveness and safety in treating overactive bladder and related conditions. A 2021 study found that Trospium continues to be effective in reducing symptoms of overactive bladder over a 12-month period, with a relatively low incidence of side effects. Ongoing studies are also exploring whether Trospium could be used in combination with other medications to improve outcomes for patients who do not respond to monotherapy.

Additionally, researchers are investigating the potential benefits of Trospium in treating bladder dysfunction in patients with neurological conditions, such as multiple sclerosis and spinal cord injuries. While more research is needed, early results are promising.

As new studies are published, your healthcare provider will be able to offer the most up-to-date recommendations. If you have questions about how this research might impact your treatment, consider scheduling a telemedicine consultation with one of our providers.

James Kingsley

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