Agent Name

Allergens, laboratory animals

Major Category

Biological Agents


Laboratory animal allergens (LAA);


Animal-Derived Allergens


Occupational asthma exposed to various laboratory animal allergens reported in laboratory workers; [Malo] Occupational contact urticaria documented in workers exposed to rats, mice, guinea pigs, hamsters, rabbits, and frogs; also to contact with Hair (rat, mice), Liver, Placenta (cow), Serum (amphibian), Urine, Gut (pig); "SPTs [skin prick tests] to laboratory animals have been positive in 15-21% of persons who work with animals in laboratories and to cow in 5-14% of some farmer populations." [Kanerva, p. 220, 820] "The presence of the clinical symptoms associated with LA exposure and high FeNO [exhaled nitric oxide] levels should prompt further medical assessment in LA workers." [PMID 29858653] See the job task, "Handle laboratory animals."

Reference Link

Prevention of laboratory animal allergy in the United States: a national survey.

Exposure Assessment
Reference Link

Primary and secondary allergies to laboratory animals.

Adverse Effects


Links to Other NLM Databases
Toxicity Information


Related Information in HazMap

Occupational diseases associated with exposure to this agent: