What are you kissing? Some frogs have toxins...lol
Sure. If the person you kiss has a cold virus, you will almost definitely be exposed to it. Whether or not you come down with a sore throat from it depends on whether your immune system can fight the virus off or not. We don't get sick from every cold we get exposed to, or we'd have colds almost constantly.
Yes,because there's "Inflammation" there,bacterial in the throat.
I think you can