I am allergic to antihistamine – they changed the drugs on the market I started breaking out with rashs with any product that had pseudoephedrine in i

As far as your complaint about breaking out in a rash after using Sinus Rinse, I would say that it is highly unlikely. The Sinus Rinse mixture packet has sodium chloride and sodium bicarbonate. They are of the highest possible purity available in the US market and it is unlikely that you are having a reaction since sodium chloride and sodium bicarbonate are part of our daily living.