Can using mosquito coils in a closed space cause poisoning?

Sep 27, 2024 Source: Cainiu Health

Dr. Ren Yi

Introduction

Under normal circumstances, whether incense coils can cause poisoning in a closed space depends on the duration of use. If any discomfort occurs, it is recommended to seek medical attention promptly. In daily life, it is advisable to choose environmentally friendly mosquito coils and ensure proper indoor ventilation. Also, avoid prolonged use around elderly people, children, and individuals with weak health.

In general, if incense is used for a short period in a closed space, poisoning may not occur; however, prolonged use may lead to poisoning. If any discomfort occurs, it is recommended to seek medical attention promptly. The detailed analysis is as follows:

If mosquito-repellent incense is used briefly in an enclosed space—such as for 15–30 minutes—and windows and doors are opened immediately afterward to ventilate the room, allowing fresh air to circulate, the smoke and chemical substances produced by burning incense can dissipate quickly. This reduces the concentration of pollutants in the air, minimizes the accumulation of harmful substances, and lowers the risk of poisoning.

Mosquito incense typically contains insecticidal ingredients such as pyrethroids, which are released into the air when burned. Some components, including benzene, phenol, and xylene, have certain toxic properties. When incense burns in a confined space with poor air circulation, these toxic substances can accumulate indoors, increasing in concentration. Inhalation may lead to symptoms such as dizziness, headache, and fatigue. In such cases, medications like vitamin C injection, hydrochlorothiazide tablets, and furosemide tablets may be used under medical guidance to alleviate symptoms.

In daily life, it is advisable to choose environmentally friendly mosquito incense and ensure proper indoor ventilation. Additionally, avoid prolonged use around elderly individuals, children, or those with weakened health.

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