About sodium polystyre ne
Potassium-binding cation-exchange resin
Used for
- Treats high blood potassium (hyperkalemia).
Usual adult dose
Oral: commonly 15 g one to four times daily, adjusted to blood potassium. Rectal doses differ.
Usual dose in children
Doses are based on body weight and blood potassium; specialist guidance is required.
Common side effects
- Constipation
- Nausea or vomiting
- Low blood potassium
- Low blood calcium or magnesium
Important warnings
- Can cause serious bowel injury or blockage, especially with constipation or impaired bowel movement.
- Not for emergency treatment of dangerously high potassium; it works slowly.
- Separate from other oral medicines by at least three hours; longer may be needed for slow digestion.
- Avoid sorbitol; it may increase the risk of bowel injury.
Pregnancy
Use only when clearly needed; discuss risks and benefits with a healthcare professional.
Breastfeeding
Absorption into the bloodstream is minimal, but clinical information is limited.
Interactions
- May reduce absorption of many oral medicines, including lithium and thyroid medicines.
- Can bind certain antibiotics, including tetracyclines and fluoroquinolones.
- May increase sodium load; caution with medicines or conditions requiring sodium restriction.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.