Hello, Adenoid is normal tissue present in upper part of pharyngeal wall(Part of throat)just behind the nose.In some children the adenoids are larger and in those,they cause nasal obstruction.As these children find it difficult to breath through nose ,they adapt themselves to breathing through their mouth.This long term mouth breathing will bring about many changes in facial structure in long run ,apart from leading to recurrent upper respiratory tract infections and also ear infections. Medicines can bring down the acute infection but they will not control the recurrence.The child will end up having recurring infections.That seems to be the condition of your child.To prevent these recurrent infections and prevent further complications from occurring,it is advisable to do the surgery and remove the adenoids, and then do breathing exercises to train the child to practice nose breathing. Hope that I have been able to clarify your doubts regarding treatment of adenoids.Thank you.