Reciprocal of risk: practical certainty that injury will not result from a hazard under defined conditions. 1. Safety of a drug or other substance in the context of human health: the extent to which a substance may be used in the amount necessary for the intended purpose with a minimum risk of adverse health effects. 2. Safety (toxicological): The high probability that injury will not result from exposure to a substance under defined conditions of quantity and manner of use, ideally controlled to minimize exposure. RELATED TERM risk.

the state of being certain that adverse effects will not be caused by some agent under defined conditions; "insure the safety of the children"; "the reciprocal of safety is risk"

No drug is completely safe or without the potential for side effects. Before a drug may be approved for marketing, the law requires the submission of results of tests adequate to show the drug is safe under the conditions of use in the proposed labeling. Thus, "safety" is determined case by case and reflects the drug's risk-vs.-benefit relationship.

The term used to indicate that a drug poses no serious risks to the patients who take it. When new drugs are created in the United States, before they are even tested in clinical efficacy trials, they must first be tested for safety. Close Window

A judgment of the acceptability of risk in a specified situation.

A drug product is considered safe if it does not pose risk to public health, when used in accordance with it's labeling.

An optimist's or salesman's euphemism for the level of risk involved in an investment.

(... risk assessment) The Plan must include all (non-trivial) safety precautions. The investigation must also be carried out safely.