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Symptoms of varying BAC levels. Additional symptoms may occur. The short-term effects of alcohol consumption range from a decrease in anxiety and motor skills and euphoria at lower doses to intoxication (drunkenness), to stupor, unconsciousness, anterograde amnesia (memory "blackouts"), and central nervous system depression at higher doses.
Threshold dose is a dose of drug barely adequate to produce a biological effect in an animal. In dose-response assessment, the term ‘threshold dose’ is refined into several terminologies, such as NOEL, NOAEL, and LOAEL. They define the limits of doses resulting in biological responses or toxic effects. [3]
To engage in alcohol consumption and the development of an alcohol use disorder appear to be common to primates, and is not a specific human phenomenon. [9] Humans have access to alcohol in far greater quantity than non-human primates, and the availability increased, particularly with the development of agriculture. [10]
Limits for short-term exposure, such as STELs or CVs, are defined only if there is a particular acute toxicity associated with a substance. These limits are set by the American Conference of Governmental Industrial Hygienists (ACGIH) and the Occupational Safety and Health Administration (OSHA), based on experimental data.
For many drugs, severe toxicities in humans occur at sublethal doses, which limit their maximum dose. A higher safety-based therapeutic index is preferable instead of a lower one; an individual would have to take a much higher dose of a drug to reach the lethal threshold than the dose taken to induce the therapeutic effect of the drug.
Prednisone is a synthetic glucocorticoid used for its anti-inflammatory and immunosuppressive properties. [36] [37] Prednisone is a prodrug; it is metabolised in the liver by 11-β-HSD to prednisolone, the active drug. Prednisone has no substantial biological effects until converted via hepatic metabolism to prednisolone. [38]
Alcohol is one of the more dangerous drugs to withdraw from. [85] Alcohol withdrawal can cause confusion, paranoia, anxiety, insomnia, agitation, tremors, fever, nausea, vomiting, autonomic dysfunction, seizures, and hallucinations. In severe cases, death can result. [citation needed]
Extreme doses may result in a respiratory depression, coma, or death. [3] Complications may include seizures, aspiration pneumonia, low blood sugar, and injuries or self-harm such as suicide. [3] [4] Alcohol intoxication can lead to alcohol-related crime with perpetrators more likely to be intoxicated than victims. [12]