Comparing Tamsulosin vs Trospium

View side-by-side comparisons of medication uses, ratings, cost, side effects and interactions.
Tamsulosin	Trospium	Enter another drug to compare

Tamsulosin

Trospium

Prescription only

Tamsulosin improves the symptoms of BPH such as urine flow, hesitancy, and incomplete bladder emptying, but may cause a drop in blood pressure when going from a sitting to a standing position, which... View more

Prescription only

Prescribed for Urinary Incontinence, Overactive Bladder, Interstitial Cystitis, Urinary Frequency. Trospium may also be used for purposes not listed in this medication guide.

More about Tamsulosin

More about Trospium

Ratings & Reviews

Tamsulosin has an average rating of 5.8 out of 10 from a total of 558 ratings on Drugs.com. 39% of reviewers reported a positive effect, while 32% reported a negative effect.

Trospium has an average rating of 6.5 out of 10 from a total of 66 ratings on Drugs.com. 56% of reviewers reported a positive effect, while 26% reported a negative effect.

View all 558 reviews

View all 66 reviews

Side Effects Experienced by Users Side effects are reported in Drugs.com user reviews and not clinically verified.

Dizziness (13.1%)
Ejaculation problems (8.1%)
Sexual dysfunction (7.9%)
Headaches (6.3%)
Tiredness (6.3%)
Runny nose (6.1%)
Pain (5.0%)

View all Tamsulosin side effects

Constipation (19.7%)
Dry mouth (13.6%)
Difficulty urinating (4.5%)
Tiredness (4.5%)

View all Trospium side effects

Drug Class

Alpha blockers

Urinary antispasmodics

Generic Availability

Lower cost generic

Pricing and Coupons * Prices are without insurance

Quantity	50 each
Strength	0.4 mg
Per unit^*	$0.53
Cost^*	$26.61

View all Tamsulosin prices

Quantity	60 tablet
Strength	20 mg
Per unit^*	$0.50 - $0.51
Cost^*	$30.19 - $30.71

View all Trospium prices

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Dosage Forms

Oral capsule

Oral capsule, extended release
Oral tablet

Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value.

19 hours

20 hours

CSA Schedule ¹ View glossary of CSA terms

Not a controlled drug

Is not subject to the Controlled Substances Act.

Not a controlled drug

Is not subject to the Controlled Substances Act.

Pregnancy Category

Category B No proven risk in humans

See the full pregnancy warnings document.

Category C Risk cannot be ruled out

See the full pregnancy warnings document.

Drug Interactions

A total of 309 drugs are known to interact with Tamsulosin:

36 major drug interactions (83 brand and generic names)
267 moderate drug interactions (1046 brand and generic names)
6 minor drug interactions (18 brand and generic names)

A total of 316 drugs are known to interact with Trospium:

5 major drug interactions (65 brand and generic names)
295 moderate drug interactions (1385 brand and generic names)
16 minor drug interactions (394 brand and generic names)

Alcohol/Food/Lifestyle Interactions

Food may affect the intestinal absorption of tamsulosin. You should take tamsulosin approximately... View more
Ask your doctor before using alcohol together with tamsulosin. Using alcohol with tamsulosin can... View more

Trospium should be taken on an empty stomach 1 hour before or 2 hours after a meal unless otherwise... View more
Ask your doctor before using trospium together with alcohol. Use alcohol cautiously. Alcohol may... View more

Disease Interactions

First Approval Date

April 15, 1997

May 28, 2004

WADA Class View classifications

N/A

More Information

Patient Resources

Tamsulosin uses

Professional Resources

¹ The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. There may be variations in CSA schedules between individual states.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Medical Disclaimer

Comparing Tamsulosin vs Trospium

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