One of our popular compounds at Park Compounding Pharmacy is our TAC 20. However, the name TAC 20 is not an accurate acronym for this dental anesthesia. The “TAC” used to stand for tetracaine, epinephrine (adrenaline), and cocaine and the product was used mostly in emergency rooms. Since the product no longer contains those exact ingredients we often call it TAC 20% alternate. Now, our specially compounded prescription TAC 20…