Ammonia is suspected of causing endocrine-disrupting effects, according to European Commission Annex 13. Includes both Category 1 (evidence for endocrine disruption in living organisms) and Category 2 (evidence of potential to cause endocrine disruption in in vitro studies)
Ammonia is suspected of causing asthma. This list is a compilation of various sources including those that "may cause sensitization by inhalation" and includes some agents that are identified according to the Association of Occupational and Environmental Clinics (AOEC) as asthmagens or chemicals of concern for their potential to cause asthma.
Ammonia is a suspected neurotoxin.
Ammonia is suspected of causing neurotoxicity, according to various official national and internation hazard classification systems and/or by being recognized under EPA - IRIS Inhalation Reference Concentration (RfC) list and/or EPA - IRIS Oral Reference Dose (RfD) as having appropriate critical effects.
Ammonia is potent via ingestion and capable of causing adverse effects at low doses.
Ammonia has been restricted in cosmetics use by the European Union.