Crusty Eyes new guinea pig owner with some issues

hello i recently purchased a young male piggy and he was sneezing after we brought him home also i noticed some minor scratching but no visible skin issues, now he has some discharge in the eyes, he eats good and is chirpy when being played with. i have followed the information found on this site about cage, bedding and diet, he eats pellets, oranges, romain lettuce and cilantro daily i keep a constand supply of timothy hay in his cage at all times. i use yesterdays news as cage floor filler, and he has a fluffy towel in his igloo for a bed area that is cleaned daily. he has a 9 sq ft single level cage. i live in a small agricultural town that has several vets but no exotic vets. am i doing somthing wrong? do i need to seek a vet? please help.