While I was doing a sinus rinse I swallowed some of the mixture. Then I read you should not. Am I in any danger? Posted on January 1, 2019March 8, 2023 by 0 Vote Up Vote Down Ask A Doctor Staff asked 4 years ago While I was doing a sinus rinse I swallowed some of the mixture. Then I read you should not. Am I in any danger? 1 Answers 0 Vote Up Vote Down Ask A Doctor Staff answered 4 years ago The solution is a natural saline solution and should not do any harm. Please login or Register to submit your answer Username or Email Address Password Remember Me