Marcaine, Marcaine with Epinephrine

What is this medication? Marcaine, which contains the active ingredient bupivacaine, is a local anesthetic medication used to prevent or relieve pain during medical procedures. It works by blocking the nerve impulses that send pain signals to the brain. This medication is commonly administered by injection for local infiltration, peripheral nerve blocks, or spinal and epidural anesthesia. It is frequently used during surgical operations, dental work, and diagnostic tests to ensure the patient remains comfortable and pain-free in a specific area of the body.

Marcaine with Epinephrine includes a second ingredient that acts as a vasoconstrictor to narrow the blood vessels at the injection site. This addition serves two primary purposes: it helps to decrease local bleeding and slows the absorption of the anesthetic into the bloodstream. By slowing absorption, the epinephrine allows the numbing effect of the Marcaine to last for a longer period of time, which is particularly beneficial for extended surgical procedures or prolonged postoperative pain management.