7-10 Days. Of course, all food and drink products last for a shorter period of time if they are not stored properly. But remember, sour cream, like a lot of other dairy products, usually has a sell by date, which is simply the last date it should be sold, not consumed.
Here are the EPAâs definitions: 1  Caution: Harmful if swallowed, inhaled or absorbed through the skin. 2  Warning: May be fatal if swallowed, inhaled or absorbed through the skin. Also indicates products that can easily catch on fire. 3  Danger: Fatal if swallowed, inhaled or absorbed through the skin.
A black box warning, also known as a âblack label warningâ or âboxed warning,â is named for the black border surrounding the text of the warning that appears on the package insert, label, and other literature describing the medication (for example, magazine advertising). 1  This warning is the most serious medication warning required by the FDA. When the FDA Requires One. The FDA requires a black box warning for one of the following situations: 1  The medication can cause serious undesirable effects (such as a fatal, life-threatening or permanently disabling adverse reaction) compared with the potential benefit from the drug.