Another way to do this is to put a teaspoon (0. 99 metric tsp) of salt in a glass of water and rinse your mouth with that. Don’t forget to spit!
Throat-numbing sprays rarely cause side effects. However, you should stop using it if you experience vomiting, nausea, dizziness, drowsiness, and/or stomach cramps. [4] X Research source Use the benzocaine remedy with caution. The cotton swab could trigger a gag or choking reflex. Other possible side effects include fatigue, weakness, skin irritation around the ears, blue skin around the lips and fingertips, and shortness of breath. [5] X Trustworthy Source Mayo Clinic Educational website from one of the world’s leading hospitals Go to source You should avoid the benzocaine remedy entirely if you’re allergic to benzocaine. Ask your doctor or pharmacist about interactions with other OTC medications, vitamins/supplements, or herbal remedies you might be taking.
Don’t stick your fingers in your mouth. You might induce vomiting.
Repeat the process over the next few nights in the exact same spot. Your gag should gradually decrease each time you do it.
A good way to keep yourself desensitized is to brush your tongue regularly. Not only will it help quell the gag reflex, it’ll also give you fresher breath!