Question: what is the best home remedy for severe toothache?
Answer: Salt water rinse. For many people, a salt water rinse is an effective first-line treatment. ... 
Hydrogen peroxide rinse. A hydrogen peroxide rinse may also help to relieve pain and inflammation. ... 
Cold compress. ... 
Peppermint tea bags. ... 
Garlic. ... 
Vanilla extract. ... 
Clove. ... 
Guava leaves.