Lip numbness caused by painting may be caused by allergic reaction, formaldehyde poisoning and other reasons.
1. Allergic reaction: If you brush paint for a long time and inhale irritating gases for a long time, it may cause an allergic reaction, which may show the symptom of numbness of the lips, and may be accompanied by itching, redness of the skin and mucous membranes, tingling and other symptoms.
2. Formaldehyde poisoning: paint usually contains formaldehyde components, long time paint, and did not take protective measures, is likely to cause formaldehyde poisoning, resulting in metamorphic contact dermatitis or other types of skin allergic damage, may cause numbness of the lips, may also be accompanied by tightness in the chest, coughing and other symptoms.
Painting caused by numbness of the lips, should be taken seriously, as soon as possible to seek medical attention, to avoid continued aggravation of the lesions.