Seriously, I don't need this!

I was gone for about three hours today and while I was gone there must have been a significant storm. My entire patio is wet and it is a covered patio. When I pulled in the garage and got out of the car, I heard a kitten crying. It was inside the box that houses my hose, then it came in the garage. Of course, I am a sucker for kittens, but I am highly allergic. I got in the car and started to go get some kitten food, but decided against it because I'm afraid all this kitten's homies will come and I will be overcome with cats. I don't know what to do. I picked it up and put it back in the hose keeper box because I think it has fleas. Notice that it doesn't have a tail. I don't know if that is because it is part manx or if something happened to it. If it is around tomorrow, I guess I'll at least put a flea collar on it, but I cannot keep a cat.
Edited to add: Damn cat is getting on my nerves now. I sneaked out the front door with my flashlight to see if the kitten was staying in the hose keeper. Kitty came out and followed me and I could barely get back in the front door without the kitty dashing in. Now it is outside my front door just crying!! I'm glad I can't hear it from my bedroom.