Comparing Furosemide vs Prazosin

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

Furosemide

Prazosin

Prescription only

Furosemide significantly increases urination which relieves excess fluid, but its use may also lead to the depletion of certain electrolytes in the body (such as potassium). Prescribed for Edema... View more

Prescription only

Prazosin effectively treats high blood pressure but commonly causes dizziness or lightheadedness on initiation or with a dosage increase. However, a tolerance to this effect develops on continued... View more

More about Furosemide

More about Prazosin

Ratings & Reviews

Furosemide has an average rating of 6.8 out of 10 from a total of 121 ratings on Drugs.com. 53% of reviewers reported a positive effect, while 21% reported a negative effect.

Prazosin has an average rating of 6.9 out of 10 from a total of 281 ratings on Drugs.com. 60% of reviewers reported a positive effect, while 24% reported a negative effect.

View all 121 reviews

View all 281 reviews

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

Swelling (15.7%)
Frequent urination (7.4%)
Headaches (5.8%)
Cramps (3.3%)
Blood pressure (2.5%)
Confusion (2.5%)
Nausea (2.5%)

View all Furosemide side effects

Dizziness (12.5%)
Nightmares (10.0%)
Anxiety (4.6%)
Headaches (4.6%)
Tiredness (4.6%)
Vivid dreams (4.6%)
Nausea (4.3%)

View all Prazosin side effects

Drug Class

Loop diuretics

Antiadrenergic agents, peripherally acting

Generic Availability

Lower cost generic

Pricing and Coupons * Prices are without insurance

Quantity	1 tablet
Strength	20 mg
Per unit^*	$10.07
Cost^*	$10.07

View all Furosemide prices

Quantity	100 each
Strength	2 mg
Per unit^*	$1.03
Cost^*	$102.57

View all Prazosin prices

Get free Discount Card

Dosage Forms

Injectable solution
Oral liquid
Oral solution
Oral tablet

Oral capsule

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

1.5 hours

4 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 C Risk cannot be ruled out

See the full pregnancy warnings document.

Category C Risk cannot be ruled out

See the full pregnancy warnings document.

Drug Interactions

A total of 508 drugs are known to interact with Furosemide:

26 major drug interactions (78 brand and generic names)
460 moderate drug interactions (2085 brand and generic names)
22 minor drug interactions (96 brand and generic names)

A total of 273 drugs are known to interact with Prazosin:

9 major drug interactions (24 brand and generic names)
262 moderate drug interactions (1317 brand and generic names)
2 minor drug interactions (4 brand and generic names)

Alcohol/Food/Lifestyle Interactions

Furosemide and alcohol may have additive effects in lowering your blood pressure. You may... View more

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

Disease Interactions

First Approval Date

July 01, 1966

June 23, 1976

WADA Class View classifications

S5 - Diuretics and Other Masking Agents

N/A

More Information

Patient Resources

Furosemide uses

Prazosin 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 Furosemide vs Prazosin

See also:

Jardiance

Farxiga

Ozempic

Lasix

Entresto

Rybelsus

Wegovy

Coreg

Norvasc

Aldactone

Further information

Comparing Furosemide vs Prazosin

See also:

Further information

Compare Drugs