The usual dosage is one to two rennie 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 of rennie tablets 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.
Rennies tablets are 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.