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Sedation scales are used in medical situations in conjunction with a medical history in assessing the applicable degree of sedation in patients in order to avoid under-sedation (the patient risks experiencing pain or distress) and over-sedation (the patient risks side effects such as suppression of breathing, which might lead to death).Typically, levels are (i) agitation, (ii) calm, (iii) responsive to voice alone, (iv) responsive to tactile stimulation, (v) responsive to painful stimulation only, and (vi) unresponsive to painful stimulation.Inhalation sedation is also sometimes referred to as relative analgesia.Sedation is also used extensively in the intensive care unit so that patients who are being ventilated tolerate having an endotracheal tube in their trachea.Antihistamines help stop this happening if you take them before you come into contact with the substance you're allergic to.Or they can reduce the severity of symptoms if taken afterwards.Sedation is typically used in minor surgical procedures such as endoscopy, vasectomy, or dentistry and for reconstructive surgery, some cosmetic surgeries, removal of wisdom teeth, or for high-anxiety patients.
Examples of drugs which can be used for sedation include isoflurane, propofol, etomidate, ketamine, fentanyl, lorazepam and midazolam.
Always read the leaflet that comes with your medicine to check it's safe for you before taking it or giving it to your child.
Antihistamines work by stopping a substance called histamine affecting the cells in your body.
Antihistamines are medicines often used to relieve symptoms of allergies, such as hay fever, hives, conjunctivitis and reactions to insect bites or stings.
They're also sometimes used to prevent motion sickness and as a short-term treatment for sleeping difficulties (insomnia).
There may be a risk the medicines could affect each other, which could stop either from working properly or increase the risk of side effects.