There is inadequate evidence of safety of benzocaine in human pregnancy, but it has been in wide use for many years without apparent ill consequences. No clinical data are available on the use of this product during pregnancy and lactation. No effect on subjects' ability to drive or operate machines.
What can I use for toothache while pregnant?
Figuring what foods and drinks exacerbate sensitivity or pain is a helpful first step to reducing toothaches during your pregnancy. Swishing warm, salty water (1 teaspoon of salt added to a cup of warm water) around in your mouth can help reduce inflammation, which might offer some relief.
What can you do for a toothache while pregnant?
Although there are at-home treatment options available, the safest and most effective solution to dealing with toothache during pregnancy is to see your dentist or dental hygienist. Most common dental procedures such as a professional cleaning are perfectly safe for both the mother and fetus.