SEDATIVE Meaning and
Definition
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A sedative is a substance or medication that has a calming or soothing effect on the central nervous system, resulting in a decrease in physiological and mental activity. It is commonly administered to induce relaxation, relieve anxiety, and promote sleep.
Sedatives work by slowing down the activity of the brain and spinal cord, which helps to reduce irritability, restlessness, and emotional agitation. They achieve this by enhancing the inhibitory effects of a neurotransmitter called gamma-aminobutyric acid (GABA), which is responsible for dampening down the signals in the brain.
The use of sedatives is widespread in medical and dental procedures to alleviate anxiety and promote a feeling of relaxation in patients, allowing them to undergo treatments and surgeries without significant emotional distress. Such medications are often administered intravenously, orally, or inhaled, depending on the specific requirements and desired level of sedation.
It is essential to note that sedatives should be used under appropriate medical supervision, as they can have side effects such as drowsiness, dizziness, and in some cases, respiratory depression. Prolonged or excessive use of sedatives can lead to dependency, tolerance, and addiction, making it crucial to follow prescribed dosage instructions and seek medical advice when necessary.
In summary, sedatives are substances that suppress the activity of the central nervous system, promoting relaxation and alleviating anxiety. They are commonly used in medical settings to induce sleep and reduce stress before procedures and surgeries.
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1. Calming, quieting 2. An agent which quiets nervous excitement; the sedatives are designated, according to the part or the organ upon which their specific action is exerted, cardiac, cerebral, nervous, respiratory, spinal, etc.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
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• Composing; diminishing or allaying irritability or pain.
• A medicine which does so.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
Top Common Misspellings for SEDATIVE *
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Other Common Misspellings for SEDATIVE
Etymology of SEDATIVE
The word "sedative" has its roots in the Latin term "sedare", meaning "to calm" or "to soothe". The suffix "-ive" is added, which signifies that the word functions as an adjective. Therefore, "sedative" directly refers to something that has the ability to calm or tranquilize.
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