Adrenaclick is an epinephrine injection. It is used by healthcare practitioners as an emergency injection in case of a life-threatening allergic reaction. This kind of allergic reaction is known as anaphylaxis. Adrenaclick has color-coded and numbered instructions that are designed for use during emergency situations by patients and caregivers. Adrenaclick can also be used in situations where patients have been stung by insects or Hymenoptera like bees, wasps or hornets.