What harm does formaldehyde do to human body?

Formaldehyde is a toxic gas, which has a great influence on human body. Mainly from furniture, paint, etc. Therefore, the newly renovated house should be ventilated to avoid inhaling a lot of formaldehyde for a long time, which will have an impact on its own health.

1, respiratory stimulation

Formaldehyde can cause damage to human respiratory tract. If a large amount of formaldehyde is inhaled, symptoms of sore throat will appear, accompanied by burning sensation. After stimulating the respiratory tract, there may be many uncomfortable symptoms such as cough, expectoration and asthma. Severe cases may also lead to pneumonia, chronic bronchitis and other diseases, and even lead to death.

2. Visual impairment

Excessive formaldehyde may also cause harm to eyes, mainly manifested as itchy eyes, burning sensation, and redness of eyes. In addition, if the eyes are in direct contact with formaldehyde, there may be serious optical damage and even the problem of decreased vision.

3, skin allergies

After formaldehyde comes into direct contact with the skin, skin allergies may occur, such as rash and urticaria. Severe allergic contact dermatitis may also occur. If clothes also contain a lot of formaldehyde products, it will also cause irritation to the skin, thus aggravating skin allergy symptoms.