Using mosquito coils at home can have several adverse health effects, including: Air pollution: Mosquito coils release harmful chemicals into the air, including particulate matter and volatile organic compounds, which can harm indoor air quality and contribute to respiratory problems. Skin irritation: Some people may experience skin irritation from the smoke and chemicals emitted by mosquito coils. Eye irritation: Exposure to the smoke from mosquito coils can cause eye irritation and other eye problems, especially for people with eye allergies or conditions such as conjunctivitis. Nausea and headache: The smoke and chemicals from mosquito coils can cause nausea and headaches, especially for people with sensitivities or allergies. Carbon monoxide poisoning: Mosquito coils contain carbon monoxide, a toxic gas that can cause symptoms ranging from headaches and dizziness to unconsciousness and death in severe cases. Fire hazards: Mosquito coils are a fire hazard, and can cause fires if they come into contact with flammable materials or if they are not used properly. In conclusion, using mosquito coils can have adverse health effects, and it's important to use them with caution and to follow the instructions on the packaging. There are also alternative methods of mosquito control, such as using mosquito nets or mosquito-repellent sprays, that may be safer and more effective.