HR is right, the tongue heals quickly. It’s rare to get an infection from a lacerated tongue.
J, you're going to this is wacky, but too bad, you already think I'm a boo-boo, but I know my stuff. Rinse with some warm water and aspirin. DO not use peroxide unless it's food grade.
You can also buy oil or oregano drops and gargle with that then swallow.
It cost $15 for a small bottle but it lasts for a long time.
Oil or Oregano can be used for ALL viral and bacterial infections.