Cadbury's spent more on marketing, including TV adverts
A rise in sales of chewing gum and throat lozenges has helped boost Cadbury's profits by 28% in the first half of the year to £143m.
Sales of Halls cough sweets grew by 13%, Trident gum sales were up 12% and Cadbury Dairy Milk sales rose 9%.
It also said it had completed the demerger of its American drinks group, which makes Dr Pepper and Snapple.
The confectioner said it planned to cut costs to compensate for an expected 6% rise in the cost of ingredients.
Cadbury's said that despite challenging economic conditions, it was determined to deliver a strong performance for the rest of the year.
"We will take whatever measures are necessary in costs, prices, organisation structure and business portfolio to underpin and deliver [our] performance commitments," said Cadbury's chairman Roger Carr.
In 2006, the impact on sales of a salmonella outbreak in one of its UK factories cost the firm £30m.