My first guess is that you're swallowing excess air with the liquid, which requires a bit more propulsive force. It's not harmful, but if it bothers you, try having less air in your mouth when you swallow. read more
Pneumonia can result from a swallowing problem if food or liquid gets into the lungs while swallowing. The patient may have increased secretions as the lungs clean themselves of food or liquid. In order to prevent these problems, patients with suspected swallowing problems should receive careful evaluation, followed by planned treatment. read more
I love how everyone says you should feel ashamed for being disgusted by other's loud swallowing noises because they can't help it. Personally I can't help getting severe anxiety attacks when hearing loud mouth sounds due to a neurological disorder that I can't help. read more