Bupivacaine is a medicine used to decrease feeling in a specific area. We can use it by injecting around a nerve. It starts working within 15 minutes and lasts upto 2 hours to 8 hours. It has side effects also which includes sleepiness, ringing in the ears, low blood pressure, changes in the vision and an irregular heart rate. It is one of the most effective and safe medicines needed in the health system and World Health Organization also added this medicine in the list of essential medicines. The cost of this medicine is not very high and is a generic medicine. To measure the level of allergic skin reaction in the skin, the technician takes the sample and then Allergy Bupivacaine test is performed. This test is necessary to confirm allergy on the skin.