What is the difference between RAMIPRIL and SPIRONOLACTONE?

RAMIPRIL is a ACE Inhibitor and SPIRONOLACTONE is a Aldosterone Antagonist. They reach a similar treatment goal through different pharmacological mechanisms, which is why one may be tolerated by a patient who could not tolerate the other.

Can RAMIPRIL and SPIRONOLACTONE be used for the same conditions?

Both medications are prescribed for overlapping indications including See full prescribing information. Always verify with your prescriber and the current FDA label before switching.

Is Ramipril the same as Spironolactone?

No. Ramipril (RAMIPRIL) and Spironolactone (SPIRONOLACTONE) are distinct medications. They are sometimes confused because of similar branding or because they treat overlapping conditions, but they have different active ingredients and different safety profiles.

Which has fewer side effects, RAMIPRIL or SPIRONOLACTONE?

Side-effect frequency varies by individual. The side-effect comparison section on this page shows FAERS-reported events for each drug side by side. FAERS is voluntary reporting, so it reflects what patients and clinicians chose to report, not absolute population risk.

Can I switch from RAMIPRIL to SPIRONOLACTONE?

Switching medications should always be done under prescriber supervision. The "patient stories" section on this page includes accounts from people who have made the switch and what their transition felt like, but those are individual experiences, not protocols.

RAMIPRIL vs SPIRONOLACTONE

Compare RAMIPRIL (Ramipril) and SPIRONOLACTONE (Spironolactone) — clinical data, side effects, and patient experiences.

RAMIPRIL

Ramipril, Altace, Tritace · ACE Inhibitor

How it works

12.1 Mechanism of Action Ramipril and ramiprilat inhibit ACE in human subjects and animals. Angiotensin converting enzyme is a peptidyl dipeptidase that catalyzes the conversion of...

Approved for

See full prescribing information

OralTablet

SPIRONOLACTONE

Spironolactone, Aldactone · Aldosterone Antagonist

How it works

12.1 Mechanism of Action Spironolactone and its active metabolites are specific pharmacologic antagonists of aldosterone, acting primarily through competitive binding of receptors ...

Approved for

1 INDICATIONS AND USAGE Spironolactone is an aldosterone antagonist indicated for: The treatment of NYHA Class III-IV heart failure and reduced ejection fraction to increase survival

manage edema

and to reduce the need for hospitalization for heart failure ( 1.1 ). Use as an add-on therapy for the treatment of hypertension

to lower blood pressure. Lowering blood pressure reduces the risk of fatal and nonfatal cardiovascular events

OralTablet

Quick Comparison

RAMIPRILSPIRONOLACTONE

Drug Class

ACE Inhibitor

Aldosterone Antagonist

Route

Oral

Half-Life

—

FDA Approved

—

Pregnancy

—

Side Effect Frequency Comparison

Estimated frequency (%) based on clinical trial data

Side Effects

RAMIPRIL

Shortness of Breath

1-10%

Fatigue

1-10%

Nausea

1-10%

Diarrhea

1-10%

Dizziness

1-10%

Drug Not Working

1-10%

Vomiting

1-10%

Headache

1-10%

SPIRONOLACTONE

Shortness of Breath

>10%

Fatigue

1-10%

Nausea

1-10%

Diarrhea

1-10%

Dizziness

1-10%

Headache

1-10%

Low Blood Pressure

1-10%

Drug Not Working

1-10%

FDA Warnings

RAMIPRIL

WARNINGS AND PRECAUTIONS ACE inhibitor use has been associated with the following: • Angioedema, with increased risk in patients with a prior history ( 5
3 ) • Increased risk of renal impairment when combined with another blocker of the renin-angiotensin-aldosterone system ( 5
, ACE inhibitors) affect the metabolism of eicosanoids and polypeptides, including endogenous bradykinin, patients receiving these drugs (including ramipril) may be subject to a variety of adverse reactions, some of them serious
Angioedema Head and Neck Angioedema: Patients with a history of angioedema unrelated to ACE inhibitor therapy may be at increased risk of angioedema while receiving an ACE inhibitor

SPIRONOLACTONE

5 WARNINGS AND PRECAUTIONS Hyperkalemia: Monitor serum potassium within one week of initiation and regularly thereafter ( 5
This risk is increased by impaired renal function or concomitant potassium supplementation, potassium-containing salt substitutes or drugs that increase potassium, such as angiotensin converting enzyme inhibitors and angiotensin receptor blockers [see Drug Interactions (7
The risk of gynecomastia increases in a dose-dependent manner with an onset that varies widely from 1-2 months to over a year

Clinical Trial Data

No head-to-head clinical studies found for RAMIPRIL vs SPIRONOLACTONE.

RAMIPRIL vs SPIRONOLACTONE: What You Should Know

Key Differences

RAMIPRIL is a ACE Inhibitor, while SPIRONOLACTONE belongs to the Aldosterone Antagonist class. This means they work through different pharmacological mechanisms, which may influence both efficacy and side effect profiles.

Safety Considerations

RAMIPRIL carries 4 FDA warnings. SPIRONOLACTONE carries 3 FDA warnings. Patients should discuss all warnings and contraindications with their healthcare provider before starting or switching medications..

This comparison is for informational purposes only. Always consult a qualified healthcare professional before making medication decisions.

Related Comparisons

Lisinopril vs RAMIPRIL→RAMIPRIL vs TRANDOLAPRIL→CAPTOPRIL AND HYDROCHLOROTHIAZIDE vs RAMIPRIL→RAMIPRIL vs TRANDOLAPRIL TABLETS→CAPTOPRIL vs RAMIPRIL→RAMIPRIL vs TRANDOLAPRIL AND VERAPAMIL HYDROCHLORIDE→

Primary sources

Every figure on this comparison links back to its primary source. See data sources and methodology for the full provenance trail.

RAMIPRIL: DailyMed label · FAERS adverse events · ClinicalTrials.gov
SPIRONOLACTONE: DailyMed label · FAERS adverse events · ClinicalTrials.gov

Loading comparison data...

RAMIPRIL vs SPIRONOLACTONE

Compare RAMIPRIL (Ramipril) and SPIRONOLACTONE (Spironolactone) — clinical data, side effects, and patient experiences.

RAMIPRIL

Ramipril, Altace, Tritace · ACE Inhibitor

How it works

12.1 Mechanism of Action Ramipril and ramiprilat inhibit ACE in human subjects and animals. Angiotensin converting enzyme is a peptidyl dipeptidase that catalyzes the conversion of...

Approved for

See full prescribing information

OralTablet

SPIRONOLACTONE

Spironolactone, Aldactone · Aldosterone Antagonist

How it works

12.1 Mechanism of Action Spironolactone and its active metabolites are specific pharmacologic antagonists of aldosterone, acting primarily through competitive binding of receptors ...

Approved for

1 INDICATIONS AND USAGE Spironolactone is an aldosterone antagonist indicated for: The treatment of NYHA Class III-IV heart failure and reduced ejection fraction to increase survival

manage edema

and to reduce the need for hospitalization for heart failure ( 1.1 ). Use as an add-on therapy for the treatment of hypertension

to lower blood pressure. Lowering blood pressure reduces the risk of fatal and nonfatal cardiovascular events

OralTablet

Quick Comparison

RAMIPRILSPIRONOLACTONE

Drug Class

ACE Inhibitor

Aldosterone Antagonist

Route

Oral

Half-Life

—

FDA Approved

—

Pregnancy

—

Side Effect Frequency Comparison

Estimated frequency (%) based on clinical trial data

Side Effects

RAMIPRIL

Shortness of Breath

1-10%

Fatigue

1-10%

Nausea

1-10%

Diarrhea

1-10%

Dizziness

1-10%

Drug Not Working

1-10%

Vomiting

1-10%

Headache

1-10%

SPIRONOLACTONE

Shortness of Breath

>10%

Fatigue

1-10%

Nausea

1-10%

Diarrhea

1-10%

Dizziness

1-10%

Headache

1-10%

Low Blood Pressure

1-10%

Drug Not Working

1-10%

FDA Warnings

RAMIPRIL

WARNINGS AND PRECAUTIONS ACE inhibitor use has been associated with the following: • Angioedema, with increased risk in patients with a prior history ( 5
3 ) • Increased risk of renal impairment when combined with another blocker of the renin-angiotensin-aldosterone system ( 5
, ACE inhibitors) affect the metabolism of eicosanoids and polypeptides, including endogenous bradykinin, patients receiving these drugs (including ramipril) may be subject to a variety of adverse reactions, some of them serious
Angioedema Head and Neck Angioedema: Patients with a history of angioedema unrelated to ACE inhibitor therapy may be at increased risk of angioedema while receiving an ACE inhibitor

SPIRONOLACTONE

5 WARNINGS AND PRECAUTIONS Hyperkalemia: Monitor serum potassium within one week of initiation and regularly thereafter ( 5
This risk is increased by impaired renal function or concomitant potassium supplementation, potassium-containing salt substitutes or drugs that increase potassium, such as angiotensin converting enzyme inhibitors and angiotensin receptor blockers [see Drug Interactions (7
The risk of gynecomastia increases in a dose-dependent manner with an onset that varies widely from 1-2 months to over a year

Clinical Trial Data

No head-to-head clinical studies found for RAMIPRIL vs SPIRONOLACTONE.

RAMIPRIL vs SPIRONOLACTONE: What You Should Know

Key Differences

Safety Considerations

This comparison is for informational purposes only. Always consult a qualified healthcare professional before making medication decisions.