Symptoms of formaldehyde poisoning

Update Date: 2021-09-18 Source: Network

summary

The severity of the signs of formaldehyde poisoning depends on the amount of formaldehyde inhaled or ingested by a person. How to correctly identify it in the earliest symptoms of formaldehyde poisoning. Formaldehyde (chemical formula HCHO, molecular weight: 30.03) is a colorless gas with strong pungent odor. It is soluble in water and alcohol ether. It is gaseous at room temperature, usually in the form of aqueous solution and gas. Acute formaldehyde poisoning is a systemic disease mainly caused by exposure to high concentration of formaldehyde vapor. Symptoms of formaldehyde poisoning? Let's talk about it

Symptoms of formaldehyde poisoning

1. Feel unwell, eye irritation, conjunctival congestion, hoarse voice, dyspnea, and breathing is more than usual. When indoor formaldehyde reaches a certain concentration, it will stimulate the skin and mucous membrane, and also cause redness, itching, throat discomfort, sneezing, chest tightness and asthma.

2. Although they don't smoke and seldom touch the smoking environment, they often feel uncomfortable with noise, foreign body sensation and poor breathing. When the concentration of formaldehyde is too high, it will cause acute formaldehyde poisoning, throat burning pain, dyspnea, allergic dermatitis and pulmonary edema.

3. Chest tightness, frequent coughing, expectoration, dyspnea, and even dry and wet broken gong sound. When exposed to low concentration formaldehyde for a long time, it will cause chronic formaldehyde poisoning, headache, dizziness, decreased immunity, neurasthenia, mental depression, etc., and eventually lead to respiratory dysfunction and liver cell damage or even cancer.

matters needing attention

Ventilation is an old way to remove formaldehyde, simple and easy to use. It can reduce the formaldehyde odor in the new house in a short time. The disadvantage is that once the window is not opened, the formaldehyde odor will rise again. It is easy to repeat and is greatly affected by the weather. It can be used as an auxiliary method for formaldehyde removal, which needs to be combined with other means.