Can COVID-19 patients use a fan?

Dec 08, 2025 Source: Cainiu Health

Dr. Ren Yi

Introduction

In general, whether a patient with COVID-19 can use a fan depends on their specific symptoms and physical condition. If any discomfort or changes in condition occur, medical attention should be sought promptly. When using a fan, limit the duration and avoid prolonged use, while maintaining a comfortable indoor temperature. Patients should cover themselves with a light blanket to protect the abdomen and prevent catching a chill. It is also important to drink plenty of warm water during illness to stay hydrated.

Generally, whether a patient with COVID-19 can use a fan depends on their specific symptoms and physical condition. If discomfort or changes in condition occur, prompt medical attention is advised. The details are as follows:

If a patient with COVID-19 is experiencing mild fever or has entered the stage of fever subsiding, and does not feel chills or coldness明显, but only feels stuffy or overheated, using a fan moderately may be appropriate. Set the fan to a low speed and oscillating mode, avoiding direct blowing onto the body. This helps improve indoor air circulation, relieve stuffiness, and enhance comfort.

However, if the patient is in a high fever phase accompanied by chills, cold limbs, or sensitivity to cold, using a fan is not recommended. At this time, the body needs to retain heat to fight the virus. Exposure to airflow may intensify feelings of chill, irritate the respiratory tract, trigger or worsen symptoms such as coughing and sore throat, and potentially disrupt normal temperature regulation, which could hinder recovery.

When using a fan, limit the duration and avoid prolonged operation, while maintaining a comfortable room temperature. Patients should cover themselves with a light blanket, especially protecting the abdomen from getting chilled. During illness, drink plenty of warm water to stay hydrated, eat light and easily digestible foods, and ensure adequate rest to support faster recovery.

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