[header] How to stop itchy gums [title] Rinse your mouth with cool water. [step] Rinse out your mouth with cool or cold water. Rinsing may get rid of any debris that is causing your gums to itch and help soothe inflammation and swelling. 
[substeps] Try and rinse with filtered or bottled water. You could be allergic to something in your water and that is causing your itchy gums.