gagging

Hello everyone, I am new to this forum and SCUBA. What a great source of information this is. I wanted to learn to dive for a long time, but every time I go snorkeling and I put an snorkel in my mouth for a while, I start feeling like gagging. (same problem at the dentist with X-rays). I...

One problem I have when I dive is dry mouth. Before I enter the water, I try to take as many drinks of fresh water as I can get before I put the reg in my mouth. Even trying to get all the water I can, I still get the occasional gag reflex on the descent. On my last two dives, I rubbed...