Answer
Rennie Heartburn, Indigestion & Wind Relief can decrease levothyroxine absorption because calcium- or magnesium-containing antacids may form complexes with it, so taking them separately with a 1–2-hour interval is preferable.
Sources for this answer
- Rennie Heartburn, Indigestion & Wind Relief 680mg/80mg/25mg Chewable TabletsBayer plc · emc · SmPC §4.5 Interaction with other medicinal products · Version 2Document updated
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