Comparing Flomax vs Terazosin

View side-by-side comparisons of medication uses, ratings, cost, side effects and interactions.
Flomax (tamsulosin)	Terazosin	Enter another drug to compare

Flomax (tamsulosin)

Terazosin

Prescription only

Flomax restores urine flow in men with BPH but may cause a drop in blood pressure when going from a sitting to a standing position. Prescribed for Benign Prostatic Hyperplasia. Flomax may also be... View more

Prescription only

Prescribed for Benign Prostatic Hyperplasia, High Blood Pressure, Hyperhidrosis. Terazosin may also be used for purposes not listed in this medication guide.

More about Flomax (tamsulosin)

More about Terazosin

Ratings & Reviews

Flomax has an average rating of 5.9 out of 10 from a total of 299 ratings on Drugs.com. 42% of reviewers reported a positive effect, while 31% reported a negative effect.

Terazosin has an average rating of 6.6 out of 10 from a total of 55 ratings on Drugs.com. 60% of reviewers reported a positive effect, while 27% reported a negative effect.

View all 299 reviews

View all 55 reviews

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

Dizziness (10.7%)
Sexual dysfunction (9.7%)
Ejaculation problems (8.7%)
Headaches (7.0%)
Runny nose (5.7%)
Fatigue (5.4%)
Pain (5.0%)

View all Flomax side effects

Dizziness (18.2%)
Headaches (7.3%)
Nausea (5.5%)
Pain (5.5%)

View all Terazosin side effects

Drug Class

Alpha blockers

Generic Availability

Lower cost generic approved

Lower cost generic

Pricing and Coupons * Prices are without insurance

Quantity	100 capsule
Strength	0.4 mg
Per unit^*	$10.48
Cost^*	$1,048.31

View all Flomax prices

Quantity	50 each
Strength	2 mg
Per unit^*	$0.67
Cost^*	$33.27

View all Terazosin prices

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Dosage Forms

Oral capsule

Oral capsule

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

19 hours

12 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 311 drugs are known to interact with Flomax:

36 major drug interactions (83 brand and generic names)
269 moderate drug interactions (1051 brand and generic names)
6 minor drug interactions (18 brand and generic names)

A total of 255 drugs are known to interact with Terazosin:

10 major drug interactions (26 brand and generic names)
242 moderate drug interactions (1123 brand and generic names)
3 minor drug interactions (7 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

Ask your doctor before using terazosin together with alcohol. Using terazosin with alcohol can... View more

Disease Interactions

First Approval Date

April 15, 1997

August 07, 1987

WADA Class View classifications

N/A

More Information

Patient Resources

Flomax uses

Terazosin uses

Professional Resources

Prescribing information

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 Flomax vs Terazosin

See also:

Cialis

Proscar

Ozempic

Adcirca

Cardura

Avodart

Uroxatral

Hytrin

Minipress

Propecia

Further information

Comparing Flomax vs Terazosin

See also:

Further information

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