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Narcosis

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Definition

Nausea is a feeling of sickness in the stomach characterized by an urge or need to vomit (throw up).

Nausea can be caused by a number of factors, including food poisoning, intestinal flu, exposure to radiation, ingestion of toxic substances (including alcohol), pregnancy, motion sickness, injury to the head, etc.

Additional Info

Nausea is your body's way of telling you that it has detected something wrong. Vomiting is your body's natural mechanism for attempting to rid itself of a foreign substance that may have been ingested.

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SDS Relevance

Safety Data Sheets will list symptoms of exposure in Section 8 (exposure controls/personal protection) of the SDS.

Nausea and/or vomiting are just two possible symptoms of exposure to a hazardous chemical. But also remember that this symptom can arise from many other factors. If you suspect your nausea is from chemical exposure, continues for a long period of time, or is accompanied by other symptoms, consult your physician. Bring the SDS with you to the doctor's office or emergency room; Section 4 will contain recommended first aid measures.

Further Reading

• Nausea & Vomiting, a great resource with info, prevention and treatment information at quickcare.org.
• Nausea - Symptoms and Signs at MedicineNet.
• While dated, Medical Management Guidelines (MMGs) for Acute Chemical Exposures at the CDC's ATSDR is very comprehensive.
• Health Effects of Chemical Exposure from the U of IL at Urbana-Champaign.
• Motion Sickness at the NIH/NLM's MedLinePlus medical encyclopedia.
• Nausea and Vomiting of Pregnancy from Am Fam Phys 2014 89(12), pp 965-970.
• Nausea, Vomiting, and Retching: Complex Problems in Palliative Care from CA Cancer J Clin 2001, 51 pp 232-248.

See also: emetic, gastric.

Additional definitions from Google and OneLook.

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