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Paresthesias are skin sensations, such as burning, numbness, itching, hyperesthesia (increased sensitivity) or tingling, with no apparent physical cause (idiopathic). The most common locations of paresthesias are the hands, arms, legs and feet, although paresthesias can occur anywhere on the body.

Additional Info

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There are many possible causes of paresthesia - too many to list here. Some examples include:

A common cause of unexplained skin irritation is getting chemicals on yourself without realizing it. For example, if a small amount of a substance was spilled and not cleaned up, someone might later rest their arm or hands on the spill area and be exposed without realizing it. In addition, those who are sensitized (allergic) or have chemical hypersensitivity can exhibit symptoms even on exposure to trace amounts of certain subtances.

If you notice any of the symptoms of paresthesia or have other unexplained medical issues, you should see your doctor for a physical examination and possible treatment.

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SDS Relevance

Paresthesias can appear on a Safety Data Sheet as a symptom of exposure to a number of toxic substances such as lead, mercury or arsenic, neurotoxicants, or skin irritants. These effects may or may not be reversible. Consult Section 11 (toxicological information) of the SDS for symptoms of exposure. Appropriate personal protective equipment (PPE) such as gloves, aprons, goggles, dust masks etc. may be recommended in Section 8 (exposure controls/personal protection) of the SDS. Follow good chemical hygiene and clean up all spills promptly and completely.

Further Reading

See also: Irritant, sensitizer, urticaria.

Additional definitions from Google and OneLook.

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