What is this? What should I do? (photos)

Looking at your photos, it appears that you may have Herpes viral infection. I would suggest going back quickly to your doctor and being placed on Valtrex. Wash your hand very well if you touch that area so that you do not transfer the infection. You might also want to ask your medical doctor to check you as well.

Your eruption is very unusual and occurring on one side of the forehead. As their are blisters, this would be consistent with an outbreak of a herpes virus infection on shingles. Either of which can be triggered buy trauma including botox injections. The best treatment with be Valacyclovir within 72 hours. Please see your doctor ASAP.