Rennie Spearmint tablets contain two antacids called calcium carbonate and magnesium carbonate which neutralise stomach acid by turning it in to water. They act directly in the oesophagus as well as in the stomach and are then eliminated by your body.
The usual dosage is one to two tablets, up to 3-4 times per day. This medicine is for adults only, it is not recommended for use in children and adolescents below age 18. Prolonged use should be avoided. Do not exceed the stated dose of maximum of eleven tablets a day. If symptoms persist after seven days further medical advice should be sought.
Rennie is suitable for use in pregnancy or when breastfeeding if taken as instructed. However, if you are pregnant always talk to your doctor or pharmacist before taking any medicine.
Each tablet contains calcium carbonate 680mg, magnesium carbonate 80mg, sucrose and glucose 250mg amongst other ingredients – please see leaflet for more information.