What Happens If You Swallow Vape Juice? Now that's something to wrap your lips around. Vaping regularly can cause dry mouth, which can give you bad breath and damage the mouth, throat, teeth and gums. Some of Vape Juice Is Causing 'Vape Tongue' and Desensitizing Taste Buds Business Insider I see this almost daily now, young patients with gum inflammation, dry mouth, and early decayand the common link? Vaping. It's marketed as cool and safer, but your mouth tells a very