1) Magmumog ka tuwing umaga pagkagising mo. (You should have a mouthwash every morning after you wake up.) 2) Mumugin mo ang tubig na may asin. (Gargle a glass of water with salt.)
source: Large Tagalog Dictionary
Passive Verb: imumug
English Definition: (verb) gargle
Imumug mo ang tubig na may asin para gumaling ang iyong singaw. (Gargle a glass of water with salt to help heal your canker sore.)