What is the primary adverse effect associated with the use of a cooling blanket?

The primary adverse effect associated with the use of a cooling blanket is hypothermia. Cooling blankets are used to lower body temperature, often for patients with high fever or those who need to be cooled for medical reasons, such as after certain types of surgery or during heat-related illnesses. However, if the cooling process is not carefully monitored, there is a risk that the patient’s body temperature may drop too low, leading to hypothermia. This condition can result in significant physiological disturbances, such as shivering, confusion, decreased heart rate, and in severe cases, can be life-threatening if not recognized and treated promptly.

While skin irritation could occur from prolonged contact with the cooling blanket, it is generally not considered as serious an adverse effect as hypothermia. Additionally, hypotension is not a direct consequence of using a cooling blanket; it may occur for a variety of other reasons based on the patient's condition or treatments being administered. Fever reduction is the intended purpose of the cooling blanket, rather than an adverse effect. Therefore, hypothermia stands out as the key concern when utilizing these devices.