Possible Clues:

• Device used to treat an allergic reaction
• Treatment for a bee sting allergy
• Emergency-kit item
• Device for a severe allergic reaction
• Reaction shot?
• First-aid item for anaphylaxis
• First-aid item for allergy sufferers
• Injection device designed for self-administration in medical emergencies
• One suffering anaphylactic shock may use this to self-inject adrenaline
• Reaction reducer