Are you lactose intolerant or milk intolerant Jenna? Cheese is a dairy product with varying amounts of lactose, though all contain limited amounts. If you're lactose intolerant try a much harder cheese with little to no lactose involved, like an aged Parmesan or Gruyere.
If you're simply all dairy intolerant try one of the many vegan substitutes .. like Bute Island or Tofutti, who do a wide range of soya based "sheeses" .. you can get them from Goodness Direct, including cheddar style and mozzarella sliced or grated
http://www.goodnessdirect.co.uk/cgi-...ry_Cheese.html