What should be done first if a patient experiences a severe allergic reaction?

When a patient experiences a severe allergic reaction, the priority is to administer emergency care as per protocol. This response is crucial because severe allergic reactions, often referred to as anaphylaxis, can cause rapid and potentially life-threatening symptoms, including difficulty breathing, swelling of the throat, and a significant drop in blood pressure. Immediate actions such as administering epinephrine and ensuring the airway is clear are essential in stabilizing the patient.

Following protocols for emergency care typically includes steps that healthcare providers have been trained to follow, which may involve calling for additional medical support, monitoring vital signs, and preparing for possible resuscitation. The swift administration of appropriate medical interventions is vital to prevent further harm or complications and can significantly increase the chances of a positive outcome for the patient.

Addressing the other options, while keeping family informed, documenting the event, and administering immunotherapy are important actions to be taken, they are secondary to the immediate need for emergency management. The focus must first be on the patient's immediate health and safety before other considerations are addressed.