of all, the tiny flies are called fungus gnats. These pesky insects pose little or no threat to plants.... If fungus gnats get too bad, some people recommend putting an inch-thick layer of sand on top of the soil...
It is an infection on a bigger scale than before. Treat yourself with tepid salt water (mild concentration) with an eye-dropper and your head tilted back. Also gurgle salt water. Do it several times a day, or at least 2x. Tak