Saturday, July 11, 2026

Drug profile · INN

sodium polystyrene sulfonate

sodium polystyrene sulfonate (RESONIUM-A) is a potassium sequestering agent. Associated with Sanofi-aventis Healthcare Pty Ltd. Route of administration: oral, rectal. Current US regulatory status: approved.

FDA: approved TGA: approved
US status approved
Patents linked 0
Pipeline programs 0
News articles 0
Drug details — sodium polystyrene sulfonate
US status
approved
Class
Route
ORAL, RECTAL
Patents
0
Programs
0
Data quality
0.84

Quick answer

sodium polystyrene sulfonate (RESONIUM-A) is a potassium sequestering agent. Associated with Sanofi-aventis Healthcare Pty Ltd. Route of administration: oral, rectal. Current US regulatory status: approved.

Key facts

INN sodium polystyrene sulfonate
Brand RESONIUM-A
Mechanism Potassium sequestering agent
Target Potassium
Route ORAL, RECTAL
Formulation POWDER

Mechanism of action

Potassium sequestering agent

Primary target: Potassium

Approval history

Authority Status Date
FDA approved
TGA approved

Related & competitor drugs

  1. amifampridine phosphate Voltage-gated potassium channel blocker
  2. amiodarone hydrochloride HERG blocker
  3. chlorzoxazone Intermediate conductance calcium-activated potassium channel protein 4 opener
  4. dalfampridine Voltage-gated potassium channel blocker
  5. dexlansoprazole Potassium-transporting ATPase inhibitor
  6. diazoxide Potassium channel, inwardly rectifying, subfamily J, member 11 opener

Frequently asked questions

What is sodium polystyrene sulfonate?

sodium polystyrene sulfonate (RESONIUM-A) is a potassium sequestering agent. Associated with Sanofi-aventis Healthcare Pty Ltd. Route of administration: oral, rectal. Current US regulatory status: approved.

What is the brand name for sodium polystyrene sulfonate?

RESONIUM-A is a marketed brand name for sodium polystyrene sulfonate. Check FDA Drugs@FDA for the current US label holder and prescribing information.

What is the US approval status of sodium polystyrene sulfonate?

sodium polystyrene sulfonate has approved status in the United States according to our Drugs@FDA-derived records. Verify on the official FDA label before clinical or commercial decisions.