The primary purpose of a first aid kit is to provide essential medical supplies and equipment that can be used to treat minor injuries or stabilize a patient's condition until professional medical help arrives. A well-stocked first aid kit typically includes bandages, antiseptics, gauze, scissors, adhesive tape, and pain relievers. In emergency situations, having a first aid kit readily available can make a significant difference in outcomes by enabling immediate response to injuries like cuts, burns, or sprains. Regularly checking and replenishing the kit is important to ensure that the items are up-to-date and effective.