As someone who has really bad allergies in the spring/summer and is prone to bad colds in the winter – if you sneeze every few seconds, it is impossible to throw the tissue in the garbage each time.
And women’s clothes are usually not made with pockets, for some odd reason. And no, I don’t leave tissues on the table, but I do have a hard time trying to figure out what to do with them, and I haven’t come up with a really good solution yet.
I try to carry a plastic bag around to put them in, but I am always concerned about muktzah issues on Shabbos Sometiems, I try to keep the tissue box in the same bag, but if I take it out to get a tissue, then I have a problem. So sometimes, I try to put one or two clean tissues in the bag, but the problem is that if they are in the same bag as the dirty tissues they aren’t really useable, so they are really garbage too, so I don’t know if it helps.