A long-term or repeated reaction that occurs after an exposure to a chemical. Chronic effects are the opposite of acute effects.
Develop over time with symptoms developed years after the exposure occurred. Chronic conditions can result from a short exposure, or from repeated contact with a substance or work process.
Long-lasting results of exposure to a toxin; can be a permanent change caused by a single, acute exposure or a continuous, low-level exposure.
Effects that persist over a long period of time. These effects may arise after months or years, may have a long course ranging from relatively mild to severe, or may arise immediately after exposure.
an adverse effect on a human or animal with symptoms that develop slowly over a long time period and persist or that recur frequently.
Effects that last a long time even if caused by a single acute exposure.
adverse health effects that are the result of long-term exposure or those that are permanent or long-lasting.
Refers to effects which are delayed or develop after repeated use. In the report we prefer to use the term consequences of repeated use rather than chronic effects.
An adverse effect on a human or animal body with symptoms which develop slowly over a long period of time or which recur frequently.
An adverse health effect on a human or animal body with symptoms that develop slowly or that recur frequently due to the exposure of hazardous chemicals.