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Pfizer NSR 50 Pill - yellow four-sided, 9mm

Generic Name: eplerenone

Pill with imprint Pfizer NSR 50 is Yellow, Four-sided and has been identified as Inspra 50 mg. It is supplied by Pfizer U.S. Pharmaceuticals Group.

Inspra is used in the treatment of Heart Failure; High Blood Pressure and belongs to the drug classes aldosterone receptor antagonists, potassium-sparing diuretics. There is no proven risk in humans during pregnancy. Inspra 50 mg is not a controlled substance under the Controlled Substances Act (CSA).

Images for Pfizer NSR 50

Inspra 50 mg Pfizer NSR 50
Inspra 50 mg Pfizer NSR 50 Front
Inspra 50 mg Pfizer NSR 50 Back
Inspra 50 mg Pfizer NSR 50


Generic Name
Pfizer NSR 50
50 mg
9.00 mm
Prescription only
Drug Class
Aldosterone receptor antagonists, Potassium-sparing diuretics
Pregnancy Category
B - No proven risk in humans
CSA Schedule
Not a controlled drug
Labeler / Supplier
Pfizer U.S. Pharmaceuticals Group
Inactive Ingredients
microcrystalline cellulose, croscarmellose sodium, sodium lauryl sulfate, magnesium silicate, magnesium stearate, titanium dioxide, polysorbate 80, ferric oxide yellow, ferric oxide red

Note: Inactive ingredients may vary.

Labelers / Repackagers

NDC Code Labeler / Repackager
00025-1720 Pfizer Inc.
54569-6120 A-S Medication Solutions, LLC (repackager)

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.