Comparing Oxybutynin vs Tamsulosin

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

Oxybutynin

Tamsulosin

Prescription and OTC

Oxybutynin helps to relieve symptoms of an overactive bladder and urinary incontinence but it may cause side effects such as a dry mouth and constipation. Prescribed for Overactive Bladder... View more

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

More about Oxybutynin

More about Tamsulosin

Ratings & Reviews

Oxybutynin has an average rating of 6.7 out of 10 from a total of 459 ratings on Drugs.com. 53% of reviewers reported a positive effect, while 24% reported a negative effect.

Tamsulosin has an average rating of 5.8 out of 10 from a total of 559 ratings on Drugs.com. 39% of reviewers reported a positive effect, while 32% reported a negative effect.

View all 459 reviews

View all 559 reviews

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

Dry mouth (32.0%)
Constipation (4.8%)
Dizziness (4.8%)
Sweating (4.6%)
Drowsiness (4.1%)
Itching (3.9%)
Nausea (3.7%)

View all Oxybutynin side effects

Dizziness (13.2%)
Ejaculation problems (8.1%)
Sexual dysfunction (7.9%)
Headaches (6.4%)
Tiredness (6.3%)
Runny nose (6.1%)
Pain (5.0%)

View all Tamsulosin side effects

Drug Class

Urinary antispasmodics

Alpha blockers

Generic Availability

Lower cost generic

Pricing and Coupons * Prices are without insurance

Quantity	100 each
Strength	5 mg
Per unit^*	$0.32
Cost^*	$32.05

View all Oxybutynin prices

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

View all Tamsulosin prices

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Dosage Forms

Oral solution
Oral syrup
Oral tablet
Oral tablet, extended release

Oral capsule

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

2.3 hours

19 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 B No proven risk in humans

See the full pregnancy warnings document.

Drug Interactions

A total of 286 drugs are known to interact with Oxybutynin:

5 major drug interactions (65 brand and generic names)
261 moderate drug interactions (1106 brand and generic names)
20 minor drug interactions (403 brand and generic names)

A total of 310 drugs are known to interact with Tamsulosin:

36 major drug interactions (83 brand and generic names)
268 moderate drug interactions (1048 brand and generic names)
6 minor drug interactions (18 brand and generic names)

Alcohol/Food/Lifestyle Interactions

Ask your doctor before using oxyBUTYnin together with alcohol. Use alcohol cautiously. Alcohol... View more

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

Disease Interactions

First Approval Date

July 16, 1975

April 15, 1997

WADA Class View classifications

N/A

More Information

Patient Resources

Oxybutynin uses

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 Oxybutynin vs Tamsulosin

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