INSPRA

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Manufactured by Pfizer

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INSPRA cost saving options available to you

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    Buy your INSPRA without insurance from Canada at discounts of up to 90% using NowPatient's Canadian Prescription savings program.
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    Drug Coupons

    Obtain your INSPRA for as little as $0 per fill. Suitable for insured individuals only.
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    Patient Assistance Programs

    Obtain your INSPRA at no cost. Suitable for insured, underinsured and uninsured individuals
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Jamie Winn NowPatientGreen tick
Updated on 26 Apr 2024

INSPRA Uses, Side Effects, Interactions, Warnings & Dosing

What is INSPRA?

What is INSPRA?

INSPRA is the brand name for eplerenone and is available as an oral tablet.

What dosages is INSPRA available in?

What dosages is INSPRA available in?

INSPRA is available as a 25 mg and 50 mg oral tablet.

What is INSPRA used for?

What is INSPRA used for?

INSPRA is an aldosterone receptor antagonist and is used to treat heart failure after a heart attack and high blood pressure.

How does INSPRA work?

How does INSPRA work?

INSPRA is a mineralocorticoid (aldosterone) antagonist. Aldosterone is a natural hormone in the body that normally raises your blood pressure by increasing the amount of salt and water in your bloodstream. So by blocking aldosterone, INSPRA helps your body get rid of extra salt and water, which then lowers your blood pressure. It’s unclear how exactly INSPRA helps with heart failure. But it’s thought that the medication helps protect the heart. This will help reduce the risk of death in people with heart failure.

How do I take INSPRA?

How do I take INSPRA?

INSPRA is typically dosed as 25 mg to 50 mg by mouth once daily. The max dose is 50 mg by mouth once or twice daily, depending on the condition being treated.

Is it safe for me to take INSPRA?

Is it safe for me to take INSPRA?

INSPRA is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you. You should not use this medication if you have a serum potassium >5.5 mEq/L at initiation, creatinine clearance ≤30 mL/min, have type 2 diabetes with microalbuminuria, a serum creatinine >2.0 mg/dL in males, >1.8 mg/dL in females, a creatinine clearance <50 mL/min with hypertension, or are taking a strong CYP3A inhibitor, potassium supplement, or potassium-sparing diuretic.

INSPRA Common Side Effects

INSPRA Common Side Effects

Common side effects of INSPRA include:

  • Digestive system problems
  • Nervous system problems
  • Urinary tract problems
  • Shortness of breath
  • Skin problems
  • Mental health problems
  • Cough
INSPRA Serious Side Effects

INSPRA Serious Side Effects

Serious side effects are rare with INSPRA. Contact your healthcare provider immediately if you experience any of the following.

  • High potassium (hyperkalemia): irregular heart beat, nausea, muscle pain and weakness, numbness and tingling
Effects of other drugs, drug classes and over-the-counter products on INSPRA

Effects of other drugs, drug classes and over-the-counter products on INSPRA

The following medications may interact with INSPRA:

  • CYP3A Inhibitors: In post-MI HFrEF patients do not exceed 25 mg once daily when used with moderate CYP3A inhibitors (e.g., verapamil, erythromycin, saquinavir, fluconazole). In patients with hypertension initiate at 25 mg once daily. For inadequate blood pressure response, dosing may be increased to a maximum of 25 mg twice daily.
Who makes INSPRA?

Who makes INSPRA?

Pfizer

Is INSPRA safe in pregnancy?

Is INSPRA safe in pregnancy?

It is not known if INSPRA will harm your unborn baby. You should talk to your healthcare provider before taking this medication if you are pregnant.

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What to do if you missed your INSPRA dose

The FDA's medical product safety reporting program for health professionals, patients and consumers.

Learn more about reporting side effects
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NowPatient has taken all reasonable steps to ensure that all material is factually accurate, complete, and current. However, the knowledge and experience of a qualified healthcare professional should always be sought after instead of using the information on this page. Before taking any drug, you should always speak to your doctor or another qualified healthcare provider.

The information provided here about medications is subject to change and is not meant to include all uses, precautions, warnings, directions, drug interactions, allergic reactions, or negative effects. The absence of warnings or other information for a particular medication does not imply that the medication or medication combination is appropriate for all patients or for all possible purposes.

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