Can a fever patch be used at 37.7°C?

Nov 24, 2022 Source: Cainiu Health

Dr. Yang Shuwen

Introduction

A temperature of 37.7°C is generally suitable for using fever-reducing patches. These patches are typically appropriate for individuals with mild fevers ranging from 37.5°C to 38.5°C, so patients with a temperature of 37.7°C can use them to help reduce body heat. Fever-reducing patches provide physical cooling; they contain a high-molecular-weight hydrogel layer that absorbs heat from the patient's skin and dissipates it through evaporation.

37.7 degrees refers to 37.7°C, and it is generally acceptable to use a cooling patch.

Cooling patches are typically suitable for individuals with low-grade fever between 37.5°C and 38.5°C; therefore, patients with a temperature of 37.7°C can use cooling patches to help reduce body temperature. Cooling patches are a form of physical cooling. They contain a layer of high-molecular-weight hydrogel that absorbs heat from the patient's skin and dissipates it through evaporation, thereby removing internal body heat and achieving a cooling effect. However, the fever-reducing effect of cooling patches is limited, as they only lower the temperature of the local skin area and do not address the underlying cause of the fever. Therefore, while using cooling patches, other physical cooling methods may also be used in combination, such as tepid sponging or reducing clothing.

It should be noted that if the patient develops signs of allergy, such as redness, swelling, or rash on the skin after applying the cooling patch, use should be discontinued immediately.

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