What to do when inhaling dengue mosquito spray?

The article is professionally consulted by Master, Doctor Nguyen Thi Nhat - Infectious Disease Specialist - Department of Medical Examination & Internal Medicine - Vinmec Hai Phong International General Hospital.

Dengue mosquito spray belongs to the group of Pyrethrine origin, used by the Ministry of Health to prevent dengue epidemics in the community. Mosquito spray is safe for human health because it is diffused over a large area and the concentration is very small. However, if used incorrectly, mosquito spray can cause symptoms such as dizziness, respiratory failure, nausea, allergies....

Dengue mosquito spray used by the Ministry of Health belongs to the group of pyrethrine origin, belongs to the latest generation, and is widely used in the world. Through testing in all three regions of the country, it has shown that it is safe for public health and effective in killing mosquitoes.
Mosquito spray is sprayed space in a small volume, extremely small amount of chemicals in the form of mist. After a few hours, the amount of chemicals in the mosquito spray will diffuse in the space, so it will not affect human health, including the elderly and children. After spraying mosquito repellent, people need to wait at least an hour to enter the house safely, at this time the amount of medicine has diffused and the smell of medicine is no longer there. In case the child is easily irritated and the person with respiratory illness should wait about two to three hours after spraying and then enter the house.
Although the mosquito spray used by the Ministry of Health does not cause human poisoning when used properly, if used in excess of the permitted level, it can affect humans and the environment. , livestock, contaminating water sources and aquatic animals.
Specifically, pyrethroids in general can cause acute poisoning if people inhale a large amount (from 30ml or more) for a long time. The drug will stimulate bronchial secretions causing smooth muscle spasms, central nervous system depression and decreased consciousness, causing redness, itching, low blood pressure ...
Therefore, sprayers need knowledge about the type of drug. medicine, spray level, drug dosage, fully equipped with masks, coats... to prevent poisoning. In case of spraying at home, it is necessary to buy a drug licensed by the Ministry of Health for use, carefully read the manufacturer's instructions to avoid adverse effects on health.

If strictly followed the instructions of the Health sector on the use of mosquito repellent for dengue fever, health effects are very rare.
Some cases of sensitive locality may have manifestations such as: red eyes, nausea, cough, runny nose, itching .... should be washed thoroughly with clean water many times. If it does not help, you need to go to a medical facility to be examined.
In case of eye contact with mosquito spray in particular or insecticide in general, it should be washed with clean water several times within 15-20 minutes. See a doctor if the condition does not improve, bring a sample of the product.
Clothes and shoes contaminated with mosquito repellent should be removed and washed before reuse.
In case of swallowing mosquito spray, drink 1-2 glasses of water and quickly bring the product label to the nearest medical facility. The level of treatment complies with the guidelines of the Health sector.

Carefully read and follow the manufacturer's instructions for use. Do not keep mosquito spray near the reach of children. Do not leave the medicine near food or pets. Wash hands, wash clothes, shoes clean after each spraying. Do not break the bottle or throw the bottle into the river or stream when the medicine runs out. Dengue fever prevention by non-chemical mosquito control measures is still the safest and most effective long-term solution. Currently, the Pyrethroids-based mosquito spray used by the Ministry of Health has not been recorded to have other effects on human health such as causing cancer, gene mutations.... However, it is necessary to strictly follow the instructions for use to protect health and safety.
Master. Doctor. Nguyen Thi Nhat has more than 10 years of experience in the field of artificial kidney, and in the field of infectious diseases, examination and management of patients with kidney disease and infectious diseases. Currently working as a Doctor of Infectious Diseases, Department of General Internal Medicine, Vinmec Hai Phong International General Hospital