The initial symptoms of formaldehyde poisoning are mainly in the respiratory system, skin and mucous membranes, and nervous system.
1. Respiratory system: patients may feel discomfort in the nasopharynx, accompanied by slight swelling or itching, sneezing, coughing, runny nose, and some patients may have chest tightness, shortness of breath and other symptoms of allergic asthma.
2. Skin and mucous membranes: the mucous membranes of the eyes will be irritated with pain, photophobia, tearing, and increased eye secretions. Skin irritation will appear redness, dryness, various rashes, dermatitis, color changes, and allergic edema.
3. Nervous system: patients with nervous system damage will experience loss of appetite, weakness, headache, dizziness and sleep disorders, and some patients will experience autonomic dysfunction such as rapid heartbeat.
Formaldehyde poisoning need to pay attention to prevention, good personal protection. Long-term exposure of the human body to formaldehyde will cause inhibition of the central nervous system, so move into a newly renovated house to carry out the measurement of formaldehyde concentration, to open the windows to ventilate. For newly purchased textiles and decorative materials, the formaldehyde content should be tested to see if it meets national standards to prevent poisoning.