Scroll down or Click Here forPeople with insect allergies can undergo immunotherapy, where purified standardized insect venom injections are given for 3 to 5 years and provide long-term protection against insect stings and bites.3,9 A single course of immunotherapy may not be sufficient for life;9 therefore, it is important to communicate to certain patients that they may still need to carry an epinephrine auto-injector in the event of an anaphylactic reaction.