How can calcium polystyrene sulfonate affect levothyroxine absorption?

Sources for this answer

• Calcium Polystyrene Sulfonate 99.934% w/w Powder for Oral/Rectal SuspensionRoma Pharmaceuticals Limited · emc · SmPC §4.5 Interaction with other medicinal products · Version 3Document updated 30 October 2023

Sources checked 8 November 2026