my cat melon is sick

Question
the other day i noticed puke in a few different places on my floor when i got home from work and a few hours later my onry cat melon which is a 2yr orange tabby was heaving up somemore and he did that the next day also and the this morning all he wanted to do is lay on the back of the couch and sleep he hasnt really been up to do anything or eat or drink anything i got him to eat a few peices of food tonight after work im not really sure if this is a bug or something more and if so should i seperate him from his siblings or take him to a vet i really hate to do that he hasnt been outside since he was 3 weeks old and he is pretty anti social and grumpy im just not sure what i should do

Answer
Ashley,

I am not a vet, but there are so many things it could be, such as a bacterium or a virus, something he got into, tainted food, an obstruction, etc.  I would get Melon to your vet to have him checked out.

Please let me know what you find.

Concerned regards... Norm.