From: Concentration and formation behavior of naturally occurring formaldehyde in foods
Interactions | Possible health hazards |
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Ingestion | Excessive ingestion can cause  Severe pain with inflammation, ulceration and necrosis of the mucous membranes lining almost every internal organ  Nausea  Vomiting blood  Diarrhea with bloody stool  Blood from urine  Gastrointestinal lesions  Acidosis  Vertigo and circulation failure  Systemic effects include  Metabolic acidosis  CNS depression and coma  Respiratory distress  Renal failure  Liver failure  Cancer and tumor development and  Irreversible neurotoxicity |
Inhalation | The Department of Health and Human Services (DHHS) and the International Agency for Research on Cancer (IARC) have characterized formaldehyde as a human carcinogen based on studies of inhalation exposure in humans and laboratory animals. Formaldehyde has been linked to  Nasopharyngeal cancer  Gastrointestinal cancer and  Possible links to brain cancer and leukemia |